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Volume 68, Issue 4
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Online download statistics by month:
Online download statistics by month: March 2013 to December 2020
Abstract
Full
Pdf
Mar 2013
0
192
126
Apr 2013
0
109
72
May 2013
0
39
29
Jun 2013
20
17
14
Jul 2013
13
17
16
Aug 2013
8
12
9
Sep 2013
8
16
10
Oct 2013
7
24
19
Nov 2013
8
27
16
Dec 2013
9
11
6
Jan 2014
9
5
2
Feb 2014
4
16
9
Mar 2014
9
9
11
Apr 2014
7
11
5
May 2014
8
11
4
Jun 2014
8
12
4
Jul 2014
17
8
4
Aug 2014
8
7
2
Sep 2014
6
2
5
Oct 2014
8
9
2
Nov 2014
3
2
4
Dec 2014
11
3
1
Jan 2015
4
2
2
Feb 2015
6
4
9
Mar 2015
9
20
6
Apr 2015
12
5
1
May 2015
5
5
5
Jun 2015
8
4
3
Jul 2015
11
10
2
Aug 2015
5
4
2
Sep 2015
13
6
5
Oct 2015
2
5
1
Nov 2015
2
4
6
Dec 2015
15
13
2
Jan 2016
6
11
6
Feb 2016
1
1
2
Mar 2016
2
4
7
Apr 2016
5
6
1
May 2016
7
9
1
Jun 2016
13
6
2
Jul 2016
12
4
3
Aug 2016
7
0
0
Sep 2016
18
6
2
Oct 2016
14
9
4
Nov 2016
16
9
1
Dec 2016
30
13
1
Jan 2017
38
20
4
Feb 2017
8
3
0
Mar 2017
0
13
0
Apr 2017
2
23
1
May 2017
0
27
0
Jun 2017
10
29
5
Jul 2017
14
14
1
Aug 2017
10
10
0
Sep 2017
14
14
1
Oct 2017
27
28
2
Nov 2017
8
8
3
Dec 2017
24
25
0
Jan 2018
19
13
0
Feb 2018
25
23
1
Mar 2018
27
27
2
Apr 2018
15
13
0
May 2018
30
30
1
Jun 2018
35
35
0
Jul 2018
1
1
0
Aug 2018
5
5
0
Sep 2018
6
6
1
Oct 2018
11
11
0
Nov 2018
23
23
1
Dec 2018
16
16
0
Jan 2019
14
14
1
Feb 2019
17
17
3
Mar 2019
6
6
2
Apr 2019
10
10
2
May 2019
8
8
4
Jun 2019
13
13
1
Jul 2019
5
5
3
Aug 2019
8
8
2
Sep 2019
12
12
4
Oct 2019
15
15
2
Nov 2019
10
10
2
Dec 2019
17
17
3
Jan 2020
28
28
2
Feb 2020
43
43
1
Mar 2020
70
70
4
Apr 2020
59
59
0
May 2020
43
43
1
Jun 2020
39
38
3
Jul 2020
41
41
1
Aug 2020
46
44
2
Sep 2020
49
49
2
Oct 2020
39
39
3
Nov 2020
30
29
2
Dec 2020
27
27
3
Total
1411
1781
520
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