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Volume 81, Issue 8
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Online download statistics by month:
Online download statistics by month: April 1999 to March 2024
Abstract
Full
Pdf
Apr 1999
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2
0
May 1999
0
1
2
Jun 1999
0
4
0
Jul 1999
0
1
0
Jan 2000
0
1
0
Dec 2000
0
0
1
Jan 2001
0
1
0
Feb 2001
0
1
0
Aug 2001
0
3
1
Sep 2001
0
1
0
Dec 2001
0
1
0
Jan 2002
0
1
1
May 2002
0
1
0
Jun 2002
0
1
0
Aug 2002
0
2
0
Oct 2002
0
1
1
Nov 2002
0
1
0
Dec 2002
0
1
0
Feb 2003
0
2
1
Apr 2003
0
1
1
May 2003
0
1
0
Jun 2003
0
1
1
Jul 2003
0
7
0
Aug 2003
0
15
0
Sep 2003
0
16
0
Oct 2003
0
15
0
Nov 2003
0
18
1
Dec 2003
0
21
0
Jan 2004
0
32
1
Feb 2004
0
19
0
Mar 2004
0
21
3
Apr 2004
0
39
2
May 2004
0
59
0
Jun 2004
0
63
0
Jul 2004
0
62
0
Aug 2004
0
52
1
Sep 2004
0
14
1
Oct 2004
6
11
0
Nov 2004
5
9
0
Dec 2004
13
12
0
Jan 2005
3
17
3
Feb 2005
5
11
0
Mar 2005
8
11
0
Apr 2005
3
4
1
May 2005
4
5
0
Jun 2005
4
8
0
Jul 2005
5
9
0
Aug 2005
8
10
2
Sep 2005
5
14
1
Oct 2005
5
4
0
Nov 2005
2
6
0
Dec 2005
0
4
0
Jan 2006
0
13
0
Feb 2006
2
9
0
Mar 2006
4
13
0
Apr 2006
2
12
0
May 2006
1
10
1
Jun 2006
1
10
0
Jul 2006
3
8
0
Aug 2006
8
4
0
Sep 2006
4
6
4
Oct 2006
0
6
5
Nov 2006
0
4
4
Dec 2006
0
5
2
Jan 2007
4
3
6
Feb 2007
0
2
1
Mar 2007
3
10
2
Apr 2007
6
0
2
May 2007
5
2
4
Jun 2007
1
1
1
Jul 2007
3
1
1
Aug 2007
2
0
0
Sep 2007
2
0
0
Oct 2007
2
3
1
Nov 2007
2
4
0
Dec 2007
1
3
1
Jan 2008
1
1
0
Feb 2008
0
2
0
Mar 2008
1
1
1
Apr 2008
0
0
2
May 2008
2
0
0
Jun 2008
1
0
0
Aug 2008
2
1
0
Sep 2008
3
0
0
Oct 2008
0
1
0
Nov 2008
2
0
1
Dec 2008
1
1
0
Jan 2009
2
1
0
Feb 2009
4
0
0
Mar 2009
4
0
0
May 2009
1
0
0
Jun 2009
1
0
0
Jul 2009
1
0
0
Aug 2009
3
0
0
Nov 2009
4
0
0
Dec 2009
4
0
0
Jan 2010
1
0
0
Feb 2010
1
0
0
Mar 2010
1
0
0
Apr 2010
2
1
0
May 2010
0
0
5
Jun 2010
4
0
0
Jul 2010
0
1
1
Sep 2010
3
0
0
Oct 2010
4
5
0
Nov 2010
3
0
0
Dec 2010
2
0
0
Jan 2011
2
1
0
Feb 2011
1
0
0
Mar 2011
3
0
1
Apr 2011
1
1
2
May 2011
2
1
0
Jun 2011
2
1
0
Jul 2011
8
0
0
Aug 2011
3
1
1
Sep 2011
4
1
0
Oct 2011
7
0
1
Nov 2011
3
0
1
Dec 2011
14
2
7
Jan 2012
7
1
2
Feb 2012
8
0
2
Mar 2012
6
3
3
Apr 2012
10
3
5
May 2012
12
2
0
Jun 2012
10
4
2
Jul 2012
9
2
3
Aug 2012
13
4
5
Sep 2012
18
2
7
Oct 2012
18
3
3
Nov 2012
0
5
2
Dec 2012
0
3
3
Jan 2013
0
6
2
Feb 2013
0
1
0
Mar 2013
0
3
4
Apr 2013
0
1
0
May 2013
0
1
2
Jun 2013
10
2
1
Jul 2013
11
0
3
Aug 2013
5
0
0
Sep 2013
8
1
0
Oct 2013
3
0
0
Nov 2013
5
0
0
Dec 2013
4
0
0
Jan 2014
4
0
0
Feb 2014
7
5
0
Mar 2014
10
9
0
Apr 2014
8
5
0
May 2014
7
0
0
Jun 2014
2
0
0
Jul 2014
8
1
1
Aug 2014
8
1
0
Sep 2014
4
0
0
Oct 2014
6
0
0
Nov 2014
7
0
0
Dec 2014
4
1
0
Jan 2015
8
0
0
Feb 2015
7
0
0
Mar 2015
2
0
0
Apr 2015
11
1
1
May 2015
5
0
0
Jun 2015
4
0
1
Jul 2015
6
0
0
Aug 2015
8
1
0
Sep 2015
9
0
2
Oct 2015
6
2
0
Nov 2015
2
0
0
Dec 2015
8
0
0
Jan 2016
1
0
0
Feb 2016
5
0
0
Mar 2016
6
0
4
Apr 2016
3
0
0
May 2016
4
0
0
Jun 2016
2
0
1
Jul 2016
1
0
0
Aug 2016
1
0
1
Sep 2016
9
0
0
Oct 2016
3
0
0
Nov 2016
2
0
0
Jan 2017
5
0
1
Feb 2017
1
0
0
Apr 2017
0
3
0
May 2017
0
3
0
Jun 2017
0
1
1
Jul 2017
4
4
2
Aug 2017
5
5
1
Sep 2017
53
53
0
Oct 2017
113
113
1
Nov 2017
41
41
0
Dec 2017
28
28
0
Jan 2018
17
17
0
Feb 2018
18
18
1
Mar 2018
19
19
3
Apr 2018
16
16
1
May 2018
13
13
0
Jun 2018
19
19
1
Jul 2018
19
19
0
Aug 2018
16
16
0
Sep 2018
21
21
0
Oct 2018
13
13
0
Nov 2018
10
10
0
Dec 2018
17
17
1
Jan 2019
12
10
0
Feb 2019
12
8
1
Mar 2019
1
1
5
Apr 2019
2
2
2
May 2019
5
5
1
Jun 2019
14
14
2
Jul 2019
9
9
2
Aug 2019
10
10
1
Sep 2019
8
8
3
Oct 2019
8
8
1
Nov 2019
10
10
3
Dec 2019
10
10
0
Jan 2020
9
9
1
Feb 2020
11
11
1
Mar 2020
8
8
1
Apr 2020
13
13
1
May 2020
13
13
1
Jun 2020
10
10
1
Jul 2020
15
14
1
Aug 2020
9
9
2
Sep 2020
15
15
0
Oct 2020
11
11
1
Nov 2020
0
0
1
Dec 2020
23
14
1
Jan 2021
5
3
1
Feb 2021
0
0
2
Mar 2021
2
2
1
Apr 2021
3
3
0
May 2021
4
4
3
Jun 2021
5
5
0
Jul 2021
10
10
6
Aug 2021
10
10
1
Sep 2021
0
0
3
Oct 2021
2
2
15
Nov 2021
1
1
12
Dec 2021
9
9
0
Jan 2022
13
13
1
Feb 2022
2
2
0
Mar 2022
10
10
3
Apr 2022
4
4
1
May 2022
15
15
7
Jun 2022
21
21
3
Jul 2022
12
11
1
Aug 2022
18
18
3
Sep 2022
15
14
5
Oct 2022
23
23
1
Nov 2022
6
5
0
Dec 2022
4
4
3
Jan 2023
2
2
4
Feb 2023
21
21
1
Apr 2023
3
3
0
May 2023
2
2
2
Jun 2023
2
2
0
Jul 2023
2
2
1
Aug 2023
2
3
3
Sep 2023
4
4
1
Oct 2023
3
3
0
Nov 2023
8
8
3
Dec 2023
8
0
0
Jan 2024
7
0
0
Feb 2024
20
0
5
Mar 2024
9
0
0
Total
1558
1752
281
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