Article metrics

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Online download statistics by month:

Online download statistics by month: January 2001 to April 2022

AbstractFullPdf
Jan 20010921
Feb 20010650
Mar 20010230
Apr 2001040
May 2001020
Jun 2001050
Jul 2001020
Aug 2001020
Sep 2001050
Oct 2001030
Nov 2001020
Dec 2001070
Jan 2002030
Feb 2002060
Mar 20020100
Apr 2002040
May 2002060
Jun 2002070
Jul 2002040
Aug 2002010
Oct 2002070
Dec 2002030
Mar 2003040
Apr 2003040
May 2003050
Jul 2003070
Aug 2003030
Sep 2003060
Oct 2003030
Nov 2003081
Dec 2003040
Jan 2004070
Feb 20040110
Mar 20040100
Apr 2004041
May 20040281
Jun 20040322
Jul 20040170
Aug 20040550
Sep 20040340
Oct 20049131
Nov 2004870
Dec 2004660
Jan 2005740
Feb 2005460
Mar 200510110
Apr 2005210
May 2005350
Jun 2005220
Jul 2005540
Aug 2005953
Sep 2005230
Oct 20055120
Nov 2005240
Dec 2005340
Jan 2006240
Feb 2006340
Mar 2006110
Apr 2006110
May 2006123
Jun 2006010
Aug 2006270
Sep 2006140
Oct 2006030
Nov 2006013
Jan 2007040
Mar 2007020
May 2007110
Jun 2007210
Jul 2007040
Aug 2007030
Sep 2007110
Oct 2007110
Nov 2007200
Dec 2007110
Mar 2008100
Apr 2008120
May 2008010
Jul 2008100
Aug 2008010
Sep 2008300
Oct 2008330
Nov 2008010
Dec 2008010
Jan 2009010
Mar 2009300
Jun 2009200
Jul 2009400
Sep 2009500
Oct 2009210
Nov 2009100
Dec 2009300
Jan 2010300
Mar 2010200
May 2010100
Jun 2010100
Jul 2010110
Aug 2010400
Sep 2010100
Oct 2010730
Nov 2010500
Dec 2010300
Jan 2011500
Feb 2011700
Mar 2011300
Apr 2011310
May 2011610
Jun 2011210
Jul 2011430
Aug 2011210
Oct 2011320
Nov 20111110
Dec 2011310
Jan 2012120
Feb 2012520
Mar 2012220
Apr 2012440
May 2012110
Jun 2012410
Jul 20121100
Aug 20125100
Sep 2012370
Oct 20121150
Nov 2012790
Dec 2012340
Jan 2013980
Feb 2013640
Mar 2013130
Apr 20131070
May 2013320
Jun 2013330
Jul 2013380
Aug 2013210
Sep 2013340
Oct 2013130
Nov 2013230
Dec 2013210
Jan 2014140
Feb 2014340
Mar 2014840
Apr 2014430
May 2014520
Jun 2014100
Jul 2014380
Aug 2014430
Sep 2014120
Oct 2014320
Nov 2014530
Dec 2014300
Jan 2015410
Feb 20151210
Mar 2015930
Apr 2015010
May 20151010
Jun 20151810
Jul 20151610
Aug 20151630
Sep 201513520
Oct 2015110
Nov 20159320
Dec 20158420
Jan 20161410
Feb 20161620
Mar 20161900
Apr 20161600
May 2016110
Jun 2016500
Jul 2016630
Aug 2016120
Sep 2016100
Oct 2016310
Nov 2016120
Dec 2016600
Jan 2017820
Feb 2017200
Mar 2017130
Apr 2017040
May 2017130
Jun 2017250
Jul 2017330
Aug 2017220
Sep 2017440
Oct 2017440
Nov 2017660
Dec 2017670
Jan 201814140
Feb 2018770
Mar 201817150
Apr 201811110
May 201821220
Jun 201812120
Jul 2018880
Aug 2018550
Sep 2018660
Oct 2018880
Nov 2018550
Dec 2018330
Jan 2019330
Feb 2019540
Mar 201912110
Apr 2019550
May 2019220
Jun 2019440
Jul 2019990
Aug 2019110
Sep 2019770
Oct 2019670
Nov 2019330
Dec 2019330
Jan 2020330
Feb 2020880
Mar 2020440
Apr 2020330
May 202010100
Jun 2020990
Jul 2020980
Aug 2020660
Sep 202011110
Oct 202028280
Nov 202030300
Dec 202011110
Jan 2021440
Feb 2021320
Mar 2021110
Apr 2021220
May 2021550
Jun 2021330
Jul 2021770
Aug 2021330
Sep 2021330
Oct 2021420
Nov 2021550
Dec 202111110
Jan 2022440
Feb 202211110
Mar 2022990
Apr 2022770
Total1252126216