Article metrics

Free

 

Online download statistics by month:

Online download statistics by month: April 2001 to July 2022

AbstractFullPdf
Apr 200101122
May 20010540
Jun 2001060
Jul 2001031
Aug 2001070
Sep 2001020
Oct 2001010
Jan 2002060
Feb 2002010
May 2002050
Jun 2002010
Oct 2002010
Nov 2002010
Jan 2003010
Feb 2003010
Jun 2003010
Jul 2003030
Aug 2003050
Sep 2003050
Oct 2003050
Nov 2003050
Dec 2003050
Jan 2004060
Feb 2004150
Mar 2004060
Apr 2004030
May 2004041
Jun 20040120
Jul 20040101
Aug 20040210
Sep 2004050
Oct 2004140
Nov 2004440
Dec 2004430
Jan 2005540
Feb 2005310
Mar 2005440
Jun 2005010
Aug 2005112
Sep 2005010
Nov 2005220
Dec 2005220
Jan 2006140
Feb 2006220
Mar 2006010
Apr 2006010
May 2006003
Jun 2006020
Oct 2006110
Nov 2006003
Feb 2007110
May 2007010
Jun 2007210
Sep 2007110
Mar 2008010
May 2008200
Aug 2008010
Sep 2008100
Oct 2008010
Nov 2008200
Dec 2008010
Jan 2009230
Feb 20094100
Mar 2009080
Apr 2009060
May 2009080
Jun 2009280
Jul 2009270
Aug 2009180
Sep 2009480
Oct 2009460
Nov 2009180
Dec 2009120
Feb 2010200
Jul 2010010
Aug 20101740
Sep 201079160
Oct 20103980
Nov 201027190
Dec 201033180
Feb 2011110
Mar 201117170
Apr 2011910
May 2011810
Jun 2011600
Jul 20111400
Aug 201110120
Sep 2011690
Oct 20114140
Nov 2011400
Dec 2011310
Jan 2012530
Feb 2012390
Mar 2012310
Apr 2012120
May 2012830
Jun 20121120
Jul 2012530
Aug 2012710
Sep 2012830
Oct 2012120
Nov 20125720
Dec 20126130
Jan 20132850
Feb 20133300
Mar 201356180
Apr 20131520
May 201310280
Jun 20131260
Jul 201312310
Aug 201357440
Sep 201363150
Oct 201327170
Nov 201324260
Dec 201326100
Jan 2014400
Feb 2014100
Mar 2014520
Apr 2014410
May 2014210
Jul 2014220
Sep 2014210
Jan 2015210
Feb 2015720
Mar 2015120
Apr 2015200
May 2015610
Jun 20152010
Jul 20151900
Aug 20151400
Sep 20159300
Oct 2015610
Nov 20158100
Dec 20155400
Jan 2016010
Feb 2016610
Mar 2016400
Apr 20162600
May 2016100
Jun 2016100
Sep 2016120
Oct 2016200
Dec 2016830
Jan 2017720
Feb 2017130
Mar 2017170
Apr 2017140
May 2017160
Jun 2017230
Aug 2017330
Sep 2017770
Oct 2017220
Nov 2017860
Dec 2017860
Jan 2018860
Feb 2018970
Mar 20181280
Apr 201812100
May 201815140
Jun 20181190
Jul 2018440
Aug 2018970
Sep 2018750
Oct 20181190
Nov 2018220
Dec 2018220
Jan 2019110
Feb 2019110
Mar 2019330
Apr 2019650
Jun 2019440
Jul 2019220
Sep 2019530
Oct 2019960
Nov 2019110
Dec 2019330
Jan 2020850
Feb 2020440
Mar 2020630
Apr 2020220
May 202014110
Jun 202011100
Jul 202019150
Aug 2020660
Sep 202016160
Oct 202038350
Nov 202026260
Dec 2020550
Jan 2021110
Feb 2021440
Mar 2021440
Apr 2021330
May 2021550
Jun 2021330
Jul 2021550
Aug 2021770
Sep 202111110
Oct 2021220
Nov 2021220
Dec 2021880
Jan 202211110
Feb 2022220
Mar 2022110
Apr 2022220
May 2022550
Jun 2022110
Jul 2022220
Total1659118913