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A spotter’s guide to study designs

 

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Online download statistics by month: March 2009 to August 2021

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Mar 2009205830
Apr 200968349106
May 20095333579
Jun 2009205466
Jul 2009222123
Aug 2009121121
Sep 2009171637
Oct 2009121424
Nov 2009111027
Dec 200915721
Jan 20106634
Feb 201011924
Mar 201083022
Apr 2010111426
May 20103716
Jun 20107510
Jul 201010310
Aug 20106524
Sep 2010151617
Oct 201035322
Nov 201021620
Dec 201012312
Jan 201119826
Feb 2011274143
Mar 2011472836
Apr 201121621
May 201128018
Jun 20112125
Jul 201129107
Aug 2011491018
Sep 201161537
Oct 2011451128
Nov 2011351117
Dec 201174149
Jan 201244229
Feb 201223724
Mar 201233916
Apr 201238010
May 201212212
Jun 2012319
Jul 20121014
Aug 20125117
Sep 201210215
Oct 201214318
Nov 20120829
Dec 201201920
Jan 201307224
Feb 201301813
Mar 201307462
Apr 20130335
May 2013011025
Jun 2013144210
Jul 201321168
Aug 20136318
Sep 201398215
Oct 2013310320
Nov 2013912839
Dec 201396112
Jan 2014718239
Feb 2014207426
Mar 201410216984
Apr 20141310826
May 20142012723
Jun 20143387
Jul 2014564
Aug 201456012
Sep 2014139917
Oct 20141210727
Nov 2014318631
Dec 2014278426
Jan 20154130348
Feb 20152119245
Mar 20158338996
Apr 20151729035
May 20152823339
Jun 20151712126
Jul 201513588
Aug 20152011430
Sep 20152817534
Oct 2015311526
Nov 201527924
Dec 2015341425
Jan 2016794530
Feb 2016553142
Mar 2016953745
Apr 20165014936
May 20163821048
Jun 2016317719
Jul 201682614
Aug 2016510022
Sep 20161525539
Oct 20162623230
Nov 20161829255
Dec 20161520527
Jan 20173034057
Feb 20173819234
Mar 201734277156
Apr 20172226124
May 20174333040
Jun 2017348813
Jul 201791376
Aug 201713110814
Sep 201723418632
Oct 201739428963
Nov 201730925335
Dec 201718714018
Jan 201829522935
Feb 201826621569
Mar 201835826167
Apr 201832225744
May 201822616374
Jun 2018863146
Jul 201872102
Aug 20184368152
Sep 201833411022
Oct 201842513133
Nov 20183129321
Dec 2018159598
Jan 201937616521
Feb 201922713928
Mar 201948429272
Apr 201929718621
May 201928514719
Jun 20191886013
Jul 2019298235
Aug 201946710414
Sep 201945117836
Oct 201945013020
Nov 201934411723
Dec 20192678716
Jan 2020473186158
Feb 202032215041
Mar 202044324638
Apr 202033016522
May 202029813623
Jun 20201602421
Jul 2020129146
Aug 20201024310
Sep 202038513630
Oct 202029115311
Nov 20202018813
Dec 20201816721
Jan 202129112520
Feb 20212908420
Mar 202144722547
Apr 202137816714
May 202123612115
Jun 2021443310
Jul 202128217
Aug 202129258
Total16197146434333