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Volume 95, Issue 21
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This article has a correction. Please see:
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Online download statistics by month: October 2009 to March 2023
Abstract
Full
Pdf
Oct 2009
15
112
16
Nov 2009
39
24
4
Dec 2009
23
3
0
Jan 2010
2
2
2
Feb 2010
2
3
4
Mar 2010
2
1
1
Apr 2010
1
1
1
May 2010
3
0
0
Jun 2010
3
1
1
Jul 2010
5
0
2
Aug 2010
72
38
17
Sep 2010
165
150
50
Oct 2010
52
67
20
Nov 2010
3
0
0
Dec 2010
1
0
0
Jan 2011
3
2
4
Feb 2011
8
3
1
Mar 2011
10
8
5
Apr 2011
15
25
5
May 2011
15
2
1
Jun 2011
10
0
1
Jul 2011
21
0
0
Aug 2011
15
3
1
Sep 2011
12
0
3
Oct 2011
16
3
2
Nov 2011
23
7
0
Dec 2011
31
18
1
Jan 2012
17
4
3
Feb 2012
18
0
0
Mar 2012
11
2
0
Apr 2012
11
0
4
May 2012
11
0
0
Jun 2012
13
4
0
Jul 2012
15
2
8
Aug 2012
39
5
0
Sep 2012
43
1
0
Oct 2012
109
8
5
Nov 2012
0
1
23
Dec 2012
0
2
8
Jan 2013
0
1
0
Feb 2013
0
7
0
Mar 2013
0
54
1
Apr 2013
0
5
8
Jun 2013
104
0
0
Jul 2013
76
1
8
Aug 2013
79
0
0
Sep 2013
136
2
0
Oct 2013
155
11
0
Nov 2013
29
4
0
Dec 2013
2
0
0
Jan 2014
3
0
0
Feb 2014
2
0
0
Mar 2014
7
0
0
Apr 2014
6
0
0
May 2014
8
1
0
Jun 2014
3
0
0
Jul 2014
7
1
0
Aug 2014
1
0
0
Sep 2014
5
0
0
Nov 2014
0
1
0
Dec 2014
1
0
0
Feb 2015
1
0
0
Mar 2015
7
0
1
May 2015
1
0
0
Jun 2015
2
0
1
Jul 2015
1
0
0
Aug 2015
7
0
1
Sep 2015
4
0
0
Oct 2015
2
1
0
Nov 2015
2
0
0
Dec 2015
1
0
2
Jan 2016
1
0
0
Feb 2016
2
0
1
Mar 2016
1
0
0
Apr 2016
1
0
0
May 2016
0
1
0
Sep 2016
6
2
1
Oct 2016
2
0
0
Nov 2016
1
0
1
Dec 2016
2
0
0
Jan 2017
3
0
0
Feb 2017
3
0
0
Mar 2017
11
2
3
Apr 2017
2
0
0
May 2017
8
0
1
Jun 2017
26
0
4
Jul 2017
12
0
0
Aug 2017
18
0
2
Sep 2017
30
0
3
Oct 2017
22
0
7
Nov 2017
20
0
3
Dec 2017
20
0
2
Jan 2018
12
0
0
Feb 2018
21
0
2
Mar 2018
17
0
3
Apr 2018
15
0
3
May 2018
38
0
3
Jun 2018
39
0
4
Jul 2018
8
0
0
Aug 2018
39
0
6
Sep 2018
14
0
1
Oct 2018
10
0
1
Nov 2018
18
0
3
Dec 2018
24
0
1
Jan 2019
16
3
5
Feb 2019
15
1
4
Mar 2019
36
0
5
Apr 2019
10
0
2
May 2019
6
0
0
Jun 2019
8
0
3
Jul 2019
5
1
1
Aug 2019
4
0
0
Sep 2019
6
0
1
Oct 2019
6
0
0
Nov 2019
20
0
0
Dec 2019
20
0
0
Jan 2020
14
0
0
Feb 2020
8
0
0
Mar 2020
2
0
0
Apr 2020
0
0
1
May 2020
14
0
0
Jun 2020
8
0
0
Jul 2020
10
0
0
Aug 2020
10
0
0
Sep 2020
18
0
0
Oct 2020
8
1
0
Nov 2020
12
0
1
Dec 2020
16
0
3
Jan 2021
12
0
0
Feb 2021
2
0
0
Mar 2021
4
0
0
Apr 2021
8
0
0
May 2021
10
0
4
Oct 2021
8
0
0
Nov 2021
6
0
0
Dec 2021
11
0
0
Jan 2022
12
0
0
Feb 2022
2
0
0
Mar 2022
4
0
0
Apr 2022
4
0
0
May 2022
7
0
0
Jun 2022
4
0
0
Jul 2022
14
0
0
Aug 2022
16
0
0
Sep 2022
6
0
0
Oct 2022
23
0
0
Nov 2022
2
0
0
Dec 2022
21
0
0
Jan 2023
4
0
0
Feb 2023
64
0
0
Total
2468
602
300
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