Article metrics

Free

 

Online download statistics by month:

Online download statistics by month: February 2000 to June 2022

AbstractFullPdf
Feb 20000230
Mar 20000380
Apr 20000140
May 2000050
Jun 2000050
Jul 2000050
Aug 2000010
Sep 2000020
Oct 2000030
Nov 2000070
Dec 2000020
Jan 2001010
Feb 2001050
Mar 2001030
Apr 2001030
May 2001020
Jun 2001050
Jul 2001070
Aug 2001050
Sep 2001051
Oct 2001050
Nov 2001040
Dec 2001010
Jan 2002030
Feb 2002040
Mar 2002050
Apr 2002060
May 20020160
Jun 2002010
Jul 2002070
Aug 2002010
Oct 2002010
Dec 2002040
Feb 2003050
Mar 2003090
Apr 2003010
May 2003030
Jun 2003010
Jul 2003080
Aug 2003070
Sep 20030110
Oct 2003080
Nov 20030141
Dec 2003070
Jan 20040150
Feb 20040100
Mar 20040120
Apr 2004050
May 20040321
Jun 20040281
Jul 20040330
Aug 20040610
Sep 20040360
Oct 20045111
Nov 20049120
Dec 20046110
Jan 2005630
Feb 2005350
Mar 2005690
Apr 2005120
May 2005100
Jun 2005460
Jul 2005130
Aug 2005333
Sep 2005340
Oct 2005450
Nov 20058120
Dec 2005230
Jan 2006470
Feb 2006440
Mar 2006010
Apr 2006260
May 2006123
Jun 2006120
Aug 2006020
Sep 2006320
Nov 2006163
Dec 2006100
Feb 2007010
Mar 2007210
Apr 2007110
May 2007200
Jun 2007220
Jul 2007010
Aug 2007110
Sep 2007110
Oct 2007120
Nov 2007400
Feb 2008100
Apr 2008100
May 2008100
Aug 2008110
Sep 2008210
Oct 2008100
Nov 2008120
Dec 2008020
Jan 2009010
Feb 2009200
May 2009100
Jun 2009210
Jul 2009300
Aug 2009010
Sep 2009700
Oct 2009320
Dec 2009100
Apr 2010010
May 2010210
Jul 2010110
Sep 2010020
Oct 2010600
Nov 2010300
Dec 2010100
Mar 2011160
Apr 2011100
May 2011310
Jun 2011210
Jul 2011100
Aug 2011200
Sep 2011300
Oct 2011800
Nov 20111160
Dec 2011320
Jan 2012200
Feb 2012450
Mar 2012130
Apr 2012330
May 2012220
Jun 2012330
Jul 2012320
Aug 2012410
Sep 2012510
Oct 2012440
Nov 2012750
Dec 2012140
Jan 20131080
Feb 2013510
Mar 2013120
Apr 2013450
May 2013330
Jun 2013420
Jul 2013020
Aug 2013220
Sep 2013720
Oct 2013110
Nov 2013450
Dec 2013210
Jan 2014020
Feb 2014030
Mar 2014720
Apr 2014540
May 2014310
Jun 2014020
Jul 2014270
Aug 2014100
Sep 2014650
Oct 2014110
Dec 2014140
Jan 2015110
Feb 2015110
Mar 2015220
Apr 2015010
May 2015730
Jun 20151200
Jul 20151930
Aug 20151020
Sep 201512010
Oct 2015200
Nov 20159710
Dec 201510530
Jan 2016520
Feb 2016100
Mar 20164900
Jun 2016140
Jul 2016020
Aug 2016100
Sep 2016100
Oct 2016100
Nov 2016110
Dec 20161160
Jan 2017540
Feb 2017100
Mar 2017030
Apr 2017030
May 2017030
Jun 2017120
Jul 2017110
Aug 2017660
Sep 201718180
Oct 201715150
Nov 2017550
Dec 2017660
Jan 2018770
Feb 2018640
Mar 2018880
Apr 201811120
May 201815160
Jun 2018770
Aug 2018550
Sep 2018550
Oct 2018440
Nov 2018330
Dec 2018440
Jan 2019990
Feb 2019220
Mar 2019220
Apr 2019660
May 2019220
Jun 2019440
Jul 2019330
Aug 2019330
Sep 2019220
Oct 2019770
Nov 2019220
Dec 2019430
Jan 2020550
Feb 2020660
Mar 2020110
Apr 2020330
May 2020660
Jun 2020550
Jul 2020870
Aug 2020330
Sep 202015150
Oct 202020200
Nov 202020200
Dec 2020550
Jan 2021990
Feb 2021110
Mar 2021110
Apr 2021440
May 2021880
Jun 2021990
Jul 202110100
Aug 2021990
Sep 2021330
Oct 2021550
Nov 2021330
Dec 202112120
Jan 202211110
Feb 202211110
Mar 2022880
Apr 2022660
May 202217170
Jun 202214140
Total1140122214