Article metrics

Free

 

Online download statistics by month:

Online download statistics by month: April 2000 to June 2021

AbstractFullPdf
Apr 20000200
May 20000170
Jun 2000030
Sep 2000020
Oct 2000020
Nov 2000040
Dec 2000011
Jul 2001010
Aug 2001010
Dec 2001010
Jan 2002020
Feb 2002010
Mar 2002010
Apr 2002010
Aug 2002040
Sep 2002040
Nov 2002020
Dec 2002020
Jan 2003010
Mar 2003030
Jun 2003010
Jul 2003010
Sep 2003010
Oct 2003010
Nov 2003010
May 2004020
Jun 2004030
Jul 20040110
Aug 20040130
Sep 20040100
Oct 2004330
Nov 2004440
Dec 2004440
Jan 2005320
Feb 2005320
Mar 2005560
Apr 2005050
May 2005020
Jun 2005020
Jul 2005010
Aug 2005233
Sep 2005010
Oct 2005120
Nov 2005470
Dec 2005440
Jan 2006220
Feb 2006120
Mar 2006030
Apr 2006270
May 2006123
Jun 2006024
Jul 2006040
Aug 2006010
Sep 2006070
Oct 2006080
Nov 2006042
Dec 2006001
Jan 2007055
Feb 2007150
Mar 2007030
Jun 2007020
Jul 2007010
Aug 2007100
Sep 2007110
Nov 2007040
Dec 2007010
Jan 2008100
Feb 2008130
Mar 2008100
Jun 2008700
Jul 2008300
Aug 2008010
Sep 2008610
Nov 2008310
Dec 2008210
Mar 2009050
Jun 2009100
Jul 2009200
Oct 2009420
Nov 2009120
Dec 2009200
Feb 2010010
Mar 2010200
Apr 2010010
May 2010100
Aug 2010110
Oct 2010310
Nov 2010210
Dec 2010960
Jan 2011100
Feb 2011620
Mar 2011600
Apr 2011510
May 2011300
Jun 2011700
Jul 2011500
Aug 2011800
Sep 2011300
Oct 2011320
Nov 2011300
Dec 2011220
Jan 2012870
Feb 2012560
Mar 2012230
Apr 2012560
May 2012550
Jun 20121030
Jul 20121020
Aug 20124160
Sep 2012830
Oct 2012440
Nov 2012670
Dec 2012470
Jan 20139100
Feb 2013540
Mar 2013310
Apr 2013330
May 2013530
Jun 2013010
Jul 2013110
Aug 2013410
Sep 2013140
Oct 2013320
Nov 2013310
Dec 2013110
Jan 2014160
Feb 2014020
Mar 2014440
Apr 2014660
May 2014530
Jun 2014230
Jul 2014980
Aug 2014020
Sep 2014120
Oct 2014120
Nov 2014210
Feb 2015710
Mar 2015310
Apr 2015410
May 2015520
Jun 2015600
Jul 20152300
Aug 20152320
Sep 201515960
Oct 20151000
Nov 201510710
Dec 20156700
Jan 2016700
Feb 2016900
Mar 20162300
Apr 2016010
May 2016210
Jun 2016210
Jul 2016300
Sep 2016100
Oct 2016100
Nov 2016210
Dec 2016700
Jan 2017300
Mar 2017020
Apr 2017050
May 2017040
Jun 2017110
Jul 2017440
Aug 2017330
Sep 2017990
Oct 2017770
Nov 2017440
Dec 2017440
Jan 2018330
Feb 20181080
Mar 201812120
Apr 201813130
May 201812120
Jun 2018880
Jul 201815110
Aug 2018990
Sep 2018330
Oct 2018550
Nov 2018990
Dec 2018880
Jan 2019880
Feb 2019640
Mar 2019330
Apr 20191090
May 2019330
Jun 2019540
Jul 2019550
Aug 2019650
Sep 2019440
Oct 201913130
Nov 2019990
Dec 201918180
Jan 202013120
Feb 202012110
Mar 2020440
Apr 2020990
May 202014140
Jun 202016150
Jul 202012120
Aug 2020880
Sep 202024240
Oct 202055550
Nov 202037370
Dec 202020200
Jan 202122200
Feb 202111100
Mar 2021550
Apr 202116160
May 202113130
Jun 202110100
Total129094519