Research article
|
25 Feb 2014
Research article |
|
25 Feb 2014
CO2 , CO, and CH4 measurements from tall towers in the NOAA Earth System Research Laboratory's Global Greenhouse Gas Reference Network: instrumentation, uncertainty analysis, and recommendations for future high-accuracy greenhouse gas monitoring efforts
A. E. Andrews ,J. D. Kofler ,M. E. Trudeau ,J. C. Williams ,D. H. Neff ,K. A. Masarie ,D. Y. Chao ,D. R. Kitzis ,P. C. Novelli ,C. L. Zhao ,E. J. Dlugokencky ,P. M. Lang ,M. J. Crotwell ,M. L. Fischer ,M. J. Parker ,J. T. Lee ,D. D. Baumann ,A. R. Desai ,C. O. Stanier ,S. F. J. De Wekker ,D. E. Wolfe ,J. W. Munger ,and P. P. Tans
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EndNote: 327
Views and downloads (calculated since 08 Feb 2013)
Month
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Feb 2013
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Mar 2013
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Apr 2013
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2
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May 2013
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68
2
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Jun 2013
60
53
7
120
Jul 2013
48
65
2
115
Aug 2013
19
20
0
39
Sep 2013
38
20
0
58
Oct 2013
47
45
1
93
Nov 2013
62
67
1
130
Dec 2013
33
46
0
79
Jan 2014
51
45
2
98
Feb 2014
210
153
4
367
Mar 2014
189
188
7
384
Apr 2014
93
100
4
197
May 2014
31
97
4
132
Jun 2014
36
113
3
152
Jul 2014
53
114
0
167
Aug 2014
113
125
4
242
Sep 2014
60
91
1
152
Oct 2014
59
89
2
150
Nov 2014
82
88
2
172
Dec 2014
60
89
0
149
Jan 2015
49
64
1
114
Feb 2015
88
75
3
166
Mar 2015
33
30
2
65
Apr 2015
49
32
3
84
May 2015
22
27
0
49
Jun 2015
35
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0
57
Jul 2015
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31
1
87
Aug 2015
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0
57
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24
24
0
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Oct 2015
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2
71
Nov 2015
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2
63
Dec 2015
20
18
0
38
Jan 2016
31
24
1
56
Feb 2016
36
28
1
65
Mar 2016
33
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1
58
Apr 2016
11
14
0
25
May 2016
13
14
0
27
Jun 2016
26
10
0
36
Jul 2016
22
12
2
36
Aug 2016
15
12
1
28
Sep 2016
15
16
0
31
Oct 2016
18
11
0
29
Nov 2016
19
10
0
29
Dec 2016
9
8
1
18
Jan 2017
30
10
0
40
Feb 2017
22
14
1
37
Mar 2017
47
23
6
76
Apr 2017
58
27
3
88
May 2017
52
34
3
89
Jun 2017
45
29
1
75
Jul 2017
34
20
0
54
Aug 2017
20
24
2
46
Sep 2017
22
28
0
50
Oct 2017
16
14
0
30
Nov 2017
23
21
0
44
Dec 2017
16
19
1
36
Jan 2018
24
31
1
56
Feb 2018
26
15
2
43
Mar 2018
32
33
0
65
Apr 2018
34
24
2
60
May 2018
26
22
3
51
Jun 2018
31
17
1
49
Jul 2018
18
20
0
38
Aug 2018
36
30
2
68
Sep 2018
28
19
0
47
Oct 2018
32
17
2
51
Nov 2018
27
22
0
49
Dec 2018
29
12
0
41
Jan 2019
26
21
0
47
Feb 2019
20
10
0
30
Mar 2019
20
21
0
41
Apr 2019
31
34
2
67
May 2019
28
21
1
50
Jun 2019
16
15
1
32
Jul 2019
21
13
0
34
Aug 2019
36
23
0
59
Sep 2019
22
28
0
50
Oct 2019
27
33
1
61
Nov 2019
24
16
0
40
Dec 2019
22
22
0
44
Jan 2020
12
14
1
27
Feb 2020
15
19
0
34
Mar 2020
14
20
1
35
Apr 2020
17
17
1
35
May 2020
19
9
1
29
Jun 2020
31
21
0
52
Jul 2020
59
34
18
111
Aug 2020
20
15
7
42
Sep 2020
16
23
0
39
Oct 2020
21
13
1
35
Nov 2020
22
16
0
38
Dec 2020
41
23
0
64
Jan 2021
63
24
3
90
Feb 2021
32
12
4
48
Mar 2021
44
27
7
78
Apr 2021
40
21
3
64
May 2021
37
20
2
59
Jun 2021
23
27
0
50
Jul 2021
29
32
2
63
Aug 2021
48
24
5
77
Sep 2021
44
40
1
85
Oct 2021
34
43
0
77
Nov 2021
33
55
1
89
Dec 2021
39
20
0
59
Jan 2022
61
47
2
110
Feb 2022
23
18
1
42
Mar 2022
50
27
0
77
Apr 2022
39
31
2
72
May 2022
36
33
2
71
Jun 2022
39
24
0
63
Jul 2022
28
24
1
53
Aug 2022
45
34
0
79
Sep 2022
24
30
1
55
Oct 2022
37
27
1
65
Nov 2022
50
28
0
78
Dec 2022
56
26
1
83
Jan 2023
55
29
2
86
Feb 2023
48
27
1
76
Mar 2023
44
32
0
76
Apr 2023
52
35
3
90
May 2023
62
12
0
74
Jun 2023
80
20
0
100
Jul 2023
75
21
1
97
Aug 2023
73
16
3
92
Sep 2023
93
31
3
127
Oct 2023
93
31
3
127
Nov 2023
45
18
0
63
Dec 2023
107
36
3
146
Jan 2024
85
22
1
108
Feb 2024
69
38
2
109
Mar 2024
93
33
3
129
Apr 2024
114
41
10
165
May 2024
64
37
6
107
Jun 2024
104
31
5
140
Jul 2024
87
40
3
130
Aug 2024
96
33
2
131
Sep 2024
73
30
0
103
Oct 2024
61
19
0
80
Nov 2024
44
21
2
67
Dec 2024
34
13
2
49
Jan 2025
52
33
0
85
Feb 2025
77
23
5
105
Mar 2025
75
28
4
107
Apr 2025
76
35
1
112
May 2025
89
31
5
125
Jun 2025
87
18
1
106
Jul 2025
96
32
5
133
Aug 2025
136
37
5
178
Sep 2025
101
34
2
137
Oct 2025
60
48
1
109
Nov 2025
71
38
5
114
Dec 2025
118
74
2
194
Jan 2026
76
41
6
123
Cumulative views and downloads
(calculated since 08 Feb 2013)
Month
HTML views
PDF downloads
XML downloads
Feb 2013
171
173
4
348
Mar 2013
227
260
8
495
Apr 2013
266
312
10
588
May 2013
310
380
12
702
Jun 2013
370
433
19
822
Jul 2013
418
498
21
937
Aug 2013
437
518
21
976
Sep 2013
475
538
21
1,034
Oct 2013
522
583
22
1,127
Nov 2013
584
650
23
1,257
Dec 2013
617
696
23
1,336
Jan 2014
668
741
25
1,434
Feb 2014
878
894
29
1,801
Mar 2014
1,067
1,082
36
2,185
Apr 2014
1,160
1,182
40
2,382
May 2014
1,191
1,279
44
2,514
Jun 2014
1,227
1,392
47
2,666
Jul 2014
1,280
1,506
47
2,833
Aug 2014
1,393
1,631
51
3,075
Sep 2014
1,453
1,722
52
3,227
Oct 2014
1,512
1,811
54
3,377
Nov 2014
1,594
1,899
56
3,549
Dec 2014
1,654
1,988
56
3,698
Jan 2015
1,703
2,052
57
3,812
Feb 2015
1,791
2,127
60
3,978
Mar 2015
1,824
2,157
62
4,043
Apr 2015
1,873
2,189
65
4,127
May 2015
1,895
2,216
65
4,176
Jun 2015
1,930
2,238
65
4,233
Jul 2015
1,985
2,269
66
4,320
Aug 2015
2,023
2,288
66
4,377
Sep 2015
2,047
2,312
66
4,425
Oct 2015
2,088
2,340
68
4,496
Nov 2015
2,129
2,360
70
4,559
Dec 2015
2,149
2,378
70
4,597
Jan 2016
2,180
2,402
71
4,653
Feb 2016
2,216
2,430
72
4,718
Mar 2016
2,249
2,454
73
4,776
Apr 2016
2,260
2,468
73
4,801
May 2016
2,273
2,482
73
4,828
Jun 2016
2,299
2,492
73
4,864
Jul 2016
2,321
2,504
75
4,900
Aug 2016
2,336
2,516
76
4,928
Sep 2016
2,351
2,532
76
4,959
Oct 2016
2,369
2,543
76
4,988
Nov 2016
2,388
2,553
76
5,017
Dec 2016
2,397
2,561
77
5,035
Jan 2017
2,427
2,571
77
5,075
Feb 2017
2,449
2,585
78
5,112
Mar 2017
2,496
2,608
84
5,188
Apr 2017
2,554
2,635
87
5,276
May 2017
2,606
2,669
90
5,365
Jun 2017
2,651
2,698
91
5,440
Jul 2017
2,685
2,718
91
5,494
Aug 2017
2,705
2,742
93
5,540
Sep 2017
2,727
2,770
93
5,590
Oct 2017
2,743
2,784
93
5,620
Nov 2017
2,766
2,805
93
5,664
Dec 2017
2,782
2,824
94
5,700
Jan 2018
2,806
2,855
95
5,756
Feb 2018
2,832
2,870
97
5,799
Mar 2018
2,864
2,903
97
5,864
Apr 2018
2,898
2,927
99
5,924
May 2018
2,924
2,949
102
5,975
Jun 2018
2,955
2,966
103
6,024
Jul 2018
2,973
2,986
103
6,062
Aug 2018
3,009
3,016
105
6,130
Sep 2018
3,037
3,035
105
6,177
Oct 2018
3,069
3,052
107
6,228
Nov 2018
3,096
3,074
107
6,277
Dec 2018
3,125
3,086
107
6,318
Jan 2019
3,151
3,107
107
6,365
Feb 2019
3,171
3,117
107
6,395
Mar 2019
3,191
3,138
107
6,436
Apr 2019
3,222
3,172
109
6,503
May 2019
3,250
3,193
110
6,553
Jun 2019
3,266
3,208
111
6,585
Jul 2019
3,287
3,221
111
6,619
Aug 2019
3,323
3,244
111
6,678
Sep 2019
3,345
3,272
111
6,728
Oct 2019
3,372
3,305
112
6,789
Nov 2019
3,396
3,321
112
6,829
Dec 2019
3,418
3,343
112
6,873
Jan 2020
3,430
3,357
113
6,900
Feb 2020
3,445
3,376
113
6,934
Mar 2020
3,459
3,396
114
6,969
Apr 2020
3,476
3,413
115
7,004
May 2020
3,495
3,422
116
7,033
Jun 2020
3,526
3,443
116
7,085
Jul 2020
3,585
3,477
134
7,196
Aug 2020
3,605
3,492
141
7,238
Sep 2020
3,621
3,515
141
7,277
Oct 2020
3,642
3,528
142
7,312
Nov 2020
3,664
3,544
142
7,350
Dec 2020
3,705
3,567
142
7,414
Jan 2021
3,768
3,591
145
7,504
Feb 2021
3,800
3,603
149
7,552
Mar 2021
3,844
3,630
156
7,630
Apr 2021
3,884
3,651
159
7,694
May 2021
3,921
3,671
161
7,753
Jun 2021
3,944
3,698
161
7,803
Jul 2021
3,973
3,730
163
7,866
Aug 2021
4,021
3,754
168
7,943
Sep 2021
4,065
3,794
169
8,028
Oct 2021
4,099
3,837
169
8,105
Nov 2021
4,132
3,892
170
8,194
Dec 2021
4,171
3,912
170
8,253
Jan 2022
4,232
3,959
172
8,363
Feb 2022
4,255
3,977
173
8,405
Mar 2022
4,305
4,004
173
8,482
Apr 2022
4,344
4,035
175
8,554
May 2022
4,380
4,068
177
8,625
Jun 2022
4,419
4,092
177
8,688
Jul 2022
4,447
4,116
178
8,741
Aug 2022
4,492
4,150
178
8,820
Sep 2022
4,516
4,180
179
8,875
Oct 2022
4,553
4,207
180
8,940
Nov 2022
4,603
4,235
180
9,018
Dec 2022
4,659
4,261
181
9,101
Jan 2023
4,714
4,290
183
9,187
Feb 2023
4,762
4,317
184
9,263
Mar 2023
4,806
4,349
184
9,339
Apr 2023
4,858
4,384
187
9,429
May 2023
4,920
4,396
187
9,503
Jun 2023
5,000
4,416
187
9,603
Jul 2023
5,075
4,437
188
9,700
Aug 2023
5,148
4,453
191
9,792
Sep 2023
5,241
4,484
194
9,919
Oct 2023
5,334
4,515
197
10,046
Nov 2023
5,379
4,533
197
10,109
Dec 2023
5,486
4,569
200
10,255
Jan 2024
5,571
4,591
201
10,363
Feb 2024
5,640
4,629
203
10,472
Mar 2024
5,733
4,662
206
10,601
Apr 2024
5,847
4,703
216
10,766
May 2024
5,911
4,740
222
10,873
Jun 2024
6,015
4,771
227
11,013
Jul 2024
6,102
4,811
230
11,143
Aug 2024
6,198
4,844
232
11,274
Sep 2024
6,271
4,874
232
11,377
Oct 2024
6,332
4,893
232
11,457
Nov 2024
6,376
4,914
234
11,524
Dec 2024
6,410
4,927
236
11,573
Jan 2025
6,462
4,960
236
11,658
Feb 2025
6,539
4,983
241
11,763
Mar 2025
6,614
5,011
245
11,870
Apr 2025
6,690
5,046
246
11,982
May 2025
6,779
5,077
251
12,107
Jun 2025
6,866
5,095
252
12,213
Jul 2025
6,962
5,127
257
12,346
Aug 2025
7,098
5,164
262
12,524
Sep 2025
7,199
5,198
264
12,661
Oct 2025
7,259
5,246
265
12,770
Nov 2025
7,330
5,284
270
12,884
Dec 2025
7,448
5,358
272
13,078
Jan 2026
7,524
5,399
278
13,201
Total article views: 10,493 (including HTML, PDF, and XML)
HTML
PDF
XML
Total
BibTeX
EndNote
6,375
3,886
232
10,493
289
315
HTML: 6,375
PDF: 3,886
XML: 232
Total: 10,493
BibTeX: 289
EndNote: 315
Views and downloads (calculated since 25 Feb 2014)
Month
HTML
PDF
XML
Total
Feb 2014
151
100
1
252
Mar 2014
155
142
6
303
Apr 2014
67
76
3
146
May 2014
18
68
2
88
Jun 2014
29
77
3
109
Jul 2014
40
86
0
126
Aug 2014
88
102
4
194
Sep 2014
50
78
1
129
Oct 2014
50
80
2
132
Nov 2014
79
80
2
161
Dec 2014
51
83
0
134
Jan 2015
47
56
1
104
Feb 2015
81
73
3
157
Mar 2015
29
25
1
55
Apr 2015
45
28
3
76
May 2015
20
24
0
44
Jun 2015
29
20
0
49
Jul 2015
42
24
0
66
Aug 2015
34
18
0
52
Sep 2015
22
23
0
45
Oct 2015
35
28
2
65
Nov 2015
33
18
1
52
Dec 2015
18
17
0
35
Jan 2016
25
22
1
48
Feb 2016
25
25
1
51
Mar 2016
27
24
1
52
Apr 2016
9
12
0
21
May 2016
11
14
0
25
Jun 2016
22
9
0
31
Jul 2016
16
11
1
28
Aug 2016
11
11
1
23
Sep 2016
11
15
0
26
Oct 2016
14
11
0
25
Nov 2016
15
10
0
25
Dec 2016
8
8
1
17
Jan 2017
26
10
0
36
Feb 2017
20
14
1
35
Mar 2017
41
22
6
69
Apr 2017
52
26
3
81
May 2017
45
33
3
81
Jun 2017
39
28
1
68
Jul 2017
28
20
0
48
Aug 2017
18
23
2
43
Sep 2017
21
28
0
49
Oct 2017
15
13
0
28
Nov 2017
22
19
0
41
Dec 2017
13
16
1
30
Jan 2018
24
28
1
53
Feb 2018
24
15
2
41
Mar 2018
30
31
0
61
Apr 2018
32
22
2
56
May 2018
22
20
3
45
Jun 2018
29
16
1
46
Jul 2018
18
19
0
37
Aug 2018
32
27
2
61
Sep 2018
26
17
0
43
Oct 2018
29
14
2
45
Nov 2018
23
20
0
43
Dec 2018
28
11
0
39
Jan 2019
23
19
0
42
Feb 2019
18
10
0
28
Mar 2019
19
17
0
36
Apr 2019
29
32
2
63
May 2019
26
21
1
48
Jun 2019
15
13
1
29
Jul 2019
21
13
0
34
Aug 2019
31
23
0
54
Sep 2019
22
27
0
49
Oct 2019
23
32
1
56
Nov 2019
24
16
0
40
Dec 2019
21
21
0
42
Jan 2020
11
12
1
24
Feb 2020
15
16
0
31
Mar 2020
13
20
1
34
Apr 2020
15
16
1
32
May 2020
18
9
1
28
Jun 2020
25
21
0
46
Jul 2020
46
22
11
79
Aug 2020
18
10
4
32
Sep 2020
14
18
0
32
Oct 2020
20
10
1
31
Nov 2020
22
16
0
38
Dec 2020
38
19
0
57
Jan 2021
63
22
3
88
Feb 2021
30
8
4
42
Mar 2021
44
24
7
75
Apr 2021
38
16
3
57
May 2021
37
17
2
56
Jun 2021
22
22
0
44
Jul 2021
29
27
2
58
Aug 2021
48
19
5
72
Sep 2021
44
34
1
79
Oct 2021
33
38
0
71
Nov 2021
33
42
1
76
Dec 2021
39
13
0
52
Jan 2022
60
37
2
99
Feb 2022
23
13
1
37
Mar 2022
50
26
0
76
Apr 2022
38
22
2
62
May 2022
36
27
2
65
Jun 2022
39
20
0
59
Jul 2022
27
20
1
48
Aug 2022
45
25
0
70
Sep 2022
24
27
1
52
Oct 2022
37
24
1
62
Nov 2022
50
22
0
72
Dec 2022
56
20
1
77
Jan 2023
54
27
2
83
Feb 2023
48
21
1
70
Mar 2023
44
23
0
67
Apr 2023
52
25
3
80
May 2023
62
12
0
74
Jun 2023
80
16
0
96
Jul 2023
74
15
1
90
Aug 2023
73
14
3
90
Sep 2023
93
22
3
118
Oct 2023
91
24
3
118
Nov 2023
45
13
0
58
Dec 2023
107
33
3
143
Jan 2024
85
18
1
104
Feb 2024
69
31
2
102
Mar 2024
93
29
3
125
Apr 2024
114
27
10
151
May 2024
64
28
6
98
Jun 2024
102
27
5
134
Jul 2024
86
27
3
116
Aug 2024
96
21
2
119
Sep 2024
72
21
0
93
Oct 2024
61
12
0
73
Nov 2024
44
12
2
58
Dec 2024
32
7
2
41
Jan 2025
50
15
0
65
Feb 2025
76
18
5
99
Mar 2025
75
22
4
101
Apr 2025
76
30
1
107
May 2025
86
26
5
117
Jun 2025
86
16
1
103
Jul 2025
96
31
5
132
Aug 2025
133
32
5
170
Sep 2025
100
25
2
127
Oct 2025
59
45
1
105
Nov 2025
69
31
5
105
Dec 2025
118
64
2
184
Jan 2026
74
38
6
118
Cumulative views and downloads
(calculated since 25 Feb 2014)
Month
HTML views
PDF downloads
XML downloads
Feb 2014
151
100
1
Mar 2014
306
242
7
Apr 2014
373
318
10
May 2014
391
386
12
Jun 2014
420
463
15
Jul 2014
460
549
15
Aug 2014
548
651
19
Sep 2014
598
729
20
Oct 2014
648
809
22
Nov 2014
727
889
24
Dec 2014
778
972
24
Jan 2015
825
1,028
25
Feb 2015
906
1,101
28
Mar 2015
935
1,126
29
Apr 2015
980
1,154
32
May 2015
1,000
1,178
32
Jun 2015
1,029
1,198
32
Jul 2015
1,071
1,222
32
Aug 2015
1,105
1,240
32
Sep 2015
1,127
1,263
32
Oct 2015
1,162
1,291
34
Nov 2015
1,195
1,309
35
Dec 2015
1,213
1,326
35
Jan 2016
1,238
1,348
36
Feb 2016
1,263
1,373
37
Mar 2016
1,290
1,397
38
Apr 2016
1,299
1,409
38
May 2016
1,310
1,423
38
Jun 2016
1,332
1,432
38
Jul 2016
1,348
1,443
39
Aug 2016
1,359
1,454
40
Sep 2016
1,370
1,469
40
Oct 2016
1,384
1,480
40
Nov 2016
1,399
1,490
40
Dec 2016
1,407
1,498
41
Jan 2017
1,433
1,508
41
Feb 2017
1,453
1,522
42
Mar 2017
1,494
1,544
48
Apr 2017
1,546
1,570
51
May 2017
1,591
1,603
54
Jun 2017
1,630
1,631
55
Jul 2017
1,658
1,651
55
Aug 2017
1,676
1,674
57
Sep 2017
1,697
1,702
57
Oct 2017
1,712
1,715
57
Nov 2017
1,734
1,734
57
Dec 2017
1,747
1,750
58
Jan 2018
1,771
1,778
59
Feb 2018
1,795
1,793
61
Mar 2018
1,825
1,824
61
Apr 2018
1,857
1,846
63
May 2018
1,879
1,866
66
Jun 2018
1,908
1,882
67
Jul 2018
1,926
1,901
67
Aug 2018
1,958
1,928
69
Sep 2018
1,984
1,945
69
Oct 2018
2,013
1,959
71
Nov 2018
2,036
1,979
71
Dec 2018
2,064
1,990
71
Jan 2019
2,087
2,009
71
Feb 2019
2,105
2,019
71
Mar 2019
2,124
2,036
71
Apr 2019
2,153
2,068
73
May 2019
2,179
2,089
74
Jun 2019
2,194
2,102
75
Jul 2019
2,215
2,115
75
Aug 2019
2,246
2,138
75
Sep 2019
2,268
2,165
75
Oct 2019
2,291
2,197
76
Nov 2019
2,315
2,213
76
Dec 2019
2,336
2,234
76
Jan 2020
2,347
2,246
77
Feb 2020
2,362
2,262
77
Mar 2020
2,375
2,282
78
Apr 2020
2,390
2,298
79
May 2020
2,408
2,307
80
Jun 2020
2,433
2,328
80
Jul 2020
2,479
2,350
91
Aug 2020
2,497
2,360
95
Sep 2020
2,511
2,378
95
Oct 2020
2,531
2,388
96
Nov 2020
2,553
2,404
96
Dec 2020
2,591
2,423
96
Jan 2021
2,654
2,445
99
Feb 2021
2,684
2,453
103
Mar 2021
2,728
2,477
110
Apr 2021
2,766
2,493
113
May 2021
2,803
2,510
115
Jun 2021
2,825
2,532
115
Jul 2021
2,854
2,559
117
Aug 2021
2,902
2,578
122
Sep 2021
2,946
2,612
123
Oct 2021
2,979
2,650
123
Nov 2021
3,012
2,692
124
Dec 2021
3,051
2,705
124
Jan 2022
3,111
2,742
126
Feb 2022
3,134
2,755
127
Mar 2022
3,184
2,781
127
Apr 2022
3,222
2,803
129
May 2022
3,258
2,830
131
Jun 2022
3,297
2,850
131
Jul 2022
3,324
2,870
132
Aug 2022
3,369
2,895
132
Sep 2022
3,393
2,922
133
Oct 2022
3,430
2,946
134
Nov 2022
3,480
2,968
134
Dec 2022
3,536
2,988
135
Jan 2023
3,590
3,015
137
Feb 2023
3,638
3,036
138
Mar 2023
3,682
3,059
138
Apr 2023
3,734
3,084
141
May 2023
3,796
3,096
141
Jun 2023
3,876
3,112
141
Jul 2023
3,950
3,127
142
Aug 2023
4,023
3,141
145
Sep 2023
4,116
3,163
148
Oct 2023
4,207
3,187
151
Nov 2023
4,252
3,200
151
Dec 2023
4,359
3,233
154
Jan 2024
4,444
3,251
155
Feb 2024
4,513
3,282
157
Mar 2024
4,606
3,311
160
Apr 2024
4,720
3,338
170
May 2024
4,784
3,366
176
Jun 2024
4,886
3,393
181
Jul 2024
4,972
3,420
184
Aug 2024
5,068
3,441
186
Sep 2024
5,140
3,462
186
Oct 2024
5,201
3,474
186
Nov 2024
5,245
3,486
188
Dec 2024
5,277
3,493
190
Jan 2025
5,327
3,508
190
Feb 2025
5,403
3,526
195
Mar 2025
5,478
3,548
199
Apr 2025
5,554
3,578
200
May 2025
5,640
3,604
205
Jun 2025
5,726
3,620
206
Jul 2025
5,822
3,651
211
Aug 2025
5,955
3,683
216
Sep 2025
6,055
3,708
218
Oct 2025
6,114
3,753
219
Nov 2025
6,183
3,784
224
Dec 2025
6,301
3,848
226
Jan 2026
6,375
3,886
232
Total article views: 2,708 (including HTML, PDF, and XML)
HTML
PDF
XML
Total
BibTeX
EndNote
1,149
1,513
46
2,708
27
12
HTML: 1,149
PDF: 1,513
XML: 46
Total: 2,708
BibTeX: 27
EndNote: 12
Views and downloads (calculated since 08 Feb 2013)
Month
HTML
PDF
XML
Total
Feb 2013
171
173
4
348
Mar 2013
56
87
4
147
Apr 2013
39
52
2
93
May 2013
44
68
2
114
Jun 2013
60
53
7
120
Jul 2013
48
65
2
115
Aug 2013
19
20
0
39
Sep 2013
38
20
0
58
Oct 2013
47
45
1
93
Nov 2013
62
67
1
130
Dec 2013
33
46
0
79
Jan 2014
51
45
2
98
Feb 2014
59
53
3
115
Mar 2014
34
46
1
81
Apr 2014
26
24
1
51
May 2014
13
29
2
44
Jun 2014
7
36
0
43
Jul 2014
13
28
0
41
Aug 2014
25
23
0
48
Sep 2014
10
13
0
23
Oct 2014
9
9
0
18
Nov 2014
3
8
0
11
Dec 2014
9
6
0
15
Jan 2015
2
8
0
10
Feb 2015
7
2
0
9
Mar 2015
4
5
1
10
Apr 2015
4
4
0
8
May 2015
2
3
0
5
Jun 2015
6
2
0
8
Jul 2015
13
7
1
21
Aug 2015
4
1
0
5
Sep 2015
2
1
0
3
Oct 2015
6
0
6
Nov 2015
8
2
1
11
Dec 2015
2
1
0
3
Jan 2016
6
2
0
8
Feb 2016
11
3
0
14
Mar 2016
6
0
6
Apr 2016
2
2
0
4
May 2016
2
0
2
Jun 2016
4
1
0
5
Jul 2016
6
1
1
8
Aug 2016
4
1
0
5
Sep 2016
4
1
0
5
Oct 2016
4
0
4
Nov 2016
4
0
4
Dec 2016
1
0
1
Jan 2017
4
0
4
Feb 2017
2
0
2
Mar 2017
6
1
0
7
Apr 2017
6
1
0
7
May 2017
7
1
0
8
Jun 2017
6
1
0
7
Jul 2017
6
0
6
Aug 2017
2
1
0
3
Sep 2017
1
0
1
Oct 2017
1
1
0
2
Nov 2017
1
2
0
3
Dec 2017
3
3
0
6
Jan 2018
3
0
3
Feb 2018
2
0
2
Mar 2018
2
2
0
4
Apr 2018
2
2
0
4
May 2018
4
2
0
6
Jun 2018
2
1
0
3
Jul 2018
1
0
1
Aug 2018
4
3
0
7
Sep 2018
2
2
0
4
Oct 2018
3
3
0
6
Nov 2018
4
2
0
6
Dec 2018
1
1
0
2
Jan 2019
3
2
0
5
Feb 2019
2
0
2
Mar 2019
1
4
0
5
Apr 2019
2
2
0
4
May 2019
2
0
2
Jun 2019
1
2
0
3
Jul 2019
0
Aug 2019
5
0
5
Sep 2019
1
0
1
Oct 2019
4
1
0
5
Nov 2019
0
Dec 2019
1
1
0
2
Jan 2020
1
2
0
3
Feb 2020
3
0
3
Mar 2020
1
0
1
Apr 2020
2
1
0
3
May 2020
1
0
1
Jun 2020
6
0
6
Jul 2020
13
12
7
32
Aug 2020
2
5
3
10
Sep 2020
2
5
0
7
Oct 2020
1
3
0
4
Nov 2020
0
Dec 2020
3
4
0
7
Jan 2021
2
0
2
Feb 2021
2
4
0
6
Mar 2021
3
0
3
Apr 2021
2
5
0
7
May 2021
3
0
3
Jun 2021
1
5
0
6
Jul 2021
5
0
5
Aug 2021
5
0
5
Sep 2021
6
0
6
Oct 2021
1
5
0
6
Nov 2021
13
0
13
Dec 2021
7
0
7
Jan 2022
1
10
0
11
Feb 2022
5
0
5
Mar 2022
1
0
1
Apr 2022
1
9
0
10
May 2022
6
0
6
Jun 2022
4
0
4
Jul 2022
1
4
0
5
Aug 2022
9
0
9
Sep 2022
3
0
3
Oct 2022
3
0
3
Nov 2022
6
0
6
Dec 2022
6
0
6
Jan 2023
1
2
0
3
Feb 2023
6
0
6
Mar 2023
9
0
9
Apr 2023
10
0
10
May 2023
0
Jun 2023
4
0
4
Jul 2023
1
6
0
7
Aug 2023
2
0
2
Sep 2023
9
0
9
Oct 2023
2
7
0
9
Nov 2023
5
0
5
Dec 2023
3
0
3
Jan 2024
4
0
4
Feb 2024
7
0
7
Mar 2024
4
0
4
Apr 2024
14
0
14
May 2024
9
0
9
Jun 2024
2
4
0
6
Jul 2024
1
13
0
14
Aug 2024
12
0
12
Sep 2024
1
9
0
10
Oct 2024
7
0
7
Nov 2024
9
0
9
Dec 2024
2
6
0
8
Jan 2025
2
18
0
20
Feb 2025
1
5
0
6
Mar 2025
6
0
6
Apr 2025
5
0
5
May 2025
3
5
0
8
Jun 2025
1
2
0
3
Jul 2025
1
0
1
Aug 2025
3
5
0
8
Sep 2025
1
9
0
10
Oct 2025
1
3
0
4
Nov 2025
2
7
0
9
Dec 2025
10
0
10
Jan 2026
2
3
0
5
Cumulative views and downloads
(calculated since 08 Feb 2013)
Month
HTML views
PDF downloads
XML downloads
Feb 2013
171
173
4
Mar 2013
227
260
8
Apr 2013
266
312
10
May 2013
310
380
12
Jun 2013
370
433
19
Jul 2013
418
498
21
Aug 2013
437
518
21
Sep 2013
475
538
21
Oct 2013
522
583
22
Nov 2013
584
650
23
Dec 2013
617
696
23
Jan 2014
668
741
25
Feb 2014
727
794
28
Mar 2014
761
840
29
Apr 2014
787
864
30
May 2014
800
893
32
Jun 2014
807
929
32
Jul 2014
820
957
32
Aug 2014
845
980
32
Sep 2014
855
993
32
Oct 2014
864
1,002
32
Nov 2014
867
1,010
32
Dec 2014
876
1,016
32
Jan 2015
878
1,024
32
Feb 2015
885
1,026
32
Mar 2015
889
1,031
33
Apr 2015
893
1,035
33
May 2015
895
1,038
33
Jun 2015
901
1,040
33
Jul 2015
914
1,047
34
Aug 2015
918
1,048
34
Sep 2015
920
1,049
34
Oct 2015
926
1,049
34
Nov 2015
934
1,051
35
Dec 2015
936
1,052
35
Jan 2016
942
1,054
35
Feb 2016
953
1,057
35
Mar 2016
959
1,057
35
Apr 2016
961
1,059
35
May 2016
963
1,059
35
Jun 2016
967
1,060
35
Jul 2016
973
1,061
36
Aug 2016
977
1,062
36
Sep 2016
981
1,063
36
Oct 2016
985
1,063
36
Nov 2016
989
1,063
36
Dec 2016
990
1,063
36
Jan 2017
994
1,063
36
Feb 2017
996
1,063
36
Mar 2017
1,002
1,064
36
Apr 2017
1,008
1,065
36
May 2017
1,015
1,066
36
Jun 2017
1,021
1,067
36
Jul 2017
1,027
1,067
36
Aug 2017
1,029
1,068
36
Sep 2017
1,030
1,068
36
Oct 2017
1,031
1,069
36
Nov 2017
1,032
1,071
36
Dec 2017
1,035
1,074
36
Jan 2018
1,035
1,077
36
Feb 2018
1,037
1,077
36
Mar 2018
1,039
1,079
36
Apr 2018
1,041
1,081
36
May 2018
1,045
1,083
36
Jun 2018
1,047
1,084
36
Jul 2018
1,047
1,085
36
Aug 2018
1,051
1,088
36
Sep 2018
1,053
1,090
36
Oct 2018
1,056
1,093
36
Nov 2018
1,060
1,095
36
Dec 2018
1,061
1,096
36
Jan 2019
1,064
1,098
36
Feb 2019
1,066
1,098
36
Mar 2019
1,067
1,102
36
Apr 2019
1,069
1,104
36
May 2019
1,071
1,104
36
Jun 2019
1,072
1,106
36
Jul 2019
1,072
1,106
36
Aug 2019
1,077
1,106
36
Sep 2019
1,077
1,107
36
Oct 2019
1,081
1,108
36
Nov 2019
1,081
1,108
36
Dec 2019
1,082
1,109
36
Jan 2020
1,083
1,111
36
Feb 2020
1,083
1,114
36
Mar 2020
1,084
1,114
36
Apr 2020
1,086
1,115
36
May 2020
1,087
1,115
36
Jun 2020
1,093
1,115
36
Jul 2020
1,106
1,127
43
Aug 2020
1,108
1,132
46
Sep 2020
1,110
1,137
46
Oct 2020
1,111
1,140
46
Nov 2020
1,111
1,140
46
Dec 2020
1,114
1,144
46
Jan 2021
1,114
1,146
46
Feb 2021
1,116
1,150
46
Mar 2021
1,116
1,153
46
Apr 2021
1,118
1,158
46
May 2021
1,118
1,161
46
Jun 2021
1,119
1,166
46
Jul 2021
1,119
1,171
46
Aug 2021
1,119
1,176
46
Sep 2021
1,119
1,182
46
Oct 2021
1,120
1,187
46
Nov 2021
1,120
1,200
46
Dec 2021
1,120
1,207
46
Jan 2022
1,121
1,217
46
Feb 2022
1,121
1,222
46
Mar 2022
1,121
1,223
46
Apr 2022
1,122
1,232
46
May 2022
1,122
1,238
46
Jun 2022
1,122
1,242
46
Jul 2022
1,123
1,246
46
Aug 2022
1,123
1,255
46
Sep 2022
1,123
1,258
46
Oct 2022
1,123
1,261
46
Nov 2022
1,123
1,267
46
Dec 2022
1,123
1,273
46
Jan 2023
1,124
1,275
46
Feb 2023
1,124
1,281
46
Mar 2023
1,124
1,290
46
Apr 2023
1,124
1,300
46
May 2023
1,124
1,300
46
Jun 2023
1,124
1,304
46
Jul 2023
1,125
1,310
46
Aug 2023
1,125
1,312
46
Sep 2023
1,125
1,321
46
Oct 2023
1,127
1,328
46
Nov 2023
1,127
1,333
46
Dec 2023
1,127
1,336
46
Jan 2024
1,127
1,340
46
Feb 2024
1,127
1,347
46
Mar 2024
1,127
1,351
46
Apr 2024
1,127
1,365
46
May 2024
1,127
1,374
46
Jun 2024
1,129
1,378
46
Jul 2024
1,130
1,391
46
Aug 2024
1,130
1,403
46
Sep 2024
1,131
1,412
46
Oct 2024
1,131
1,419
46
Nov 2024
1,131
1,428
46
Dec 2024
1,133
1,434
46
Jan 2025
1,135
1,452
46
Feb 2025
1,136
1,457
46
Mar 2025
1,136
1,463
46
Apr 2025
1,136
1,468
46
May 2025
1,139
1,473
46
Jun 2025
1,140
1,475
46
Jul 2025
1,140
1,476
46
Aug 2025
1,143
1,481
46
Sep 2025
1,144
1,490
46
Oct 2025
1,145
1,493
46
Nov 2025
1,147
1,500
46
Dec 2025
1,147
1,510
46
Jan 2026
1,149
1,513
46
Latest update: 22 Jan 2026
