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A simple calculation of the target height

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Dec 20113278582
Jan 20123095796
Feb 2012981524
Mar 2012711115
Apr 2012691016
May 20129607
Jun 201286510
Jul 201267811
Aug 201289138
Sep 20129677
Oct 20128186
Nov 2012067
Dec 20120410
Jan 2013057
Feb 2013049
Mar 2013045
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Aug 20134114
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May 201438312
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Nov 20142124
Dec 20141941
Jan 20151512
Feb 2015824
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Jun 201521323
Jul 20151173
Aug 201512712
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Oct 2015612
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Dec 20151733
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Mar 20161732
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Jul 20162524
Aug 20161552
Sep 20162434
Oct 201625108
Nov 20162323
Dec 20162625
Jan 20173133
Feb 2017411112
Mar 2017311210
Apr 2017631431
May 2017561225
Jun 2017106525
Jul 2017110725
Aug 2017103719
Sep 2017136821
Oct 2017106717
Nov 2017196241
Dec 20172081341
Jan 2018211942
Feb 2018106530
Mar 20181341319
Apr 20181661920
May 20181541512
Jun 2018146911
Jul 2018189321
Aug 2018177425
Sep 2018186532
Oct 2018198924
Nov 20181851219
Dec 201811677
Jan 2019180910
Feb 2019142212
Mar 2019169914
Apr 2019131716
May 2019101511
Jun 20198448
Jul 201981612
Aug 201984106
Total64436531169