Article metrics

Purpose and procedure
Free

 

Online download statistics by month:

Online download statistics by month: January 2008 to January 2021

AbstractFullPdf
Jan 20084921294
Feb 20084524173
Mar 20084820689
Apr 200883219
May 2008113210
Jun 200873815
Jul 200822114
Aug 20086156
Sep 2008103117
Oct 2008101911
Nov 20087224
Dec 2008275
Jan 20092148
Feb 20092105
Mar 2009586
Apr 20093108
May 2009351
Jun 2009151
Jul 2009385
Aug 2009142
Sep 2009255
Oct 2009586
Nov 2009273
Dec 2009321
Jan 2010041
Feb 2010170
Mar 2010132
Apr 2010010
May 2010134
Jun 2010231
Jul 20100134
Aug 2010731
Sep 20103183
Oct 2010351
Nov 2010253
Dec 2010041
Jan 2011062
Feb 2011243
Mar 2011131
Apr 2011241
May 2011041
Jun 2011060
Jul 2011040
Aug 2011131
Sep 2011092
Oct 2011110
Nov 2011863
Dec 2011981
Jan 20121275
Feb 2012897
Mar 2012532
Apr 2012110
May 2012221
Jun 2012213
Jul 2012221
Aug 2012301
Sep 2012122
Oct 2012362
Nov 2012041
Dec 2012043
Jan 20130115
Feb 2013051
Mar 2013085
Apr 20130152
May 20130121
Jun 2013330
Jul 2013021
Aug 2013010
Sep 2013020
Oct 2013100
Nov 2013022
Dec 2013770
Jan 2014122
Feb 2014100
Mar 2014330
Apr 2014040
May 2014113
Jun 2014152
Jul 2014730
Aug 2014361
Sep 2014530
Oct 2014321
Nov 2014470
Dec 2014442
Jan 2015311
Feb 2015120
Mar 2015431
Apr 2015321
May 2015250
Jun 2015702
Jul 2015220
Aug 2015220
Sep 2015340
Oct 2015220
Nov 2015720
Dec 2015312
Jan 2016770
Feb 2016211
Mar 2016003
Apr 2016100
May 2016460
Jun 2016330
Jul 2016431
Aug 2016340
Sep 2016440
Oct 2016450
Dec 2016660
Jan 2017550
Feb 2017260
Mar 20170100
Apr 2017085
May 20170100
Jun 2017350
Jul 20179102
Aug 2017550
Sep 201722180
Oct 201715131
Nov 201718140
Dec 201718140
Jan 201845450
Feb 201829211
Mar 201833311
Apr 201818160
May 201814120
Jun 201823110
Jul 2018660
Aug 2018880
Sep 2018331
Oct 201810100
Nov 201811110
Dec 201822220
Jan 201914121
Feb 201912120
Mar 2019542
Apr 2019437
May 2019003
Jun 2019110
Jul 2019113
Aug 2019111
Sep 2019111
Nov 2019112
Dec 2019110
Feb 2020222
Mar 2020001
Apr 2020111
May 2020001
Jun 2020323
Jul 2020440
Aug 2020114
Sep 2020880
Oct 2020771
Nov 2020770
Dec 2020552
Jan 2021662
Total8451685590