So here they are according to NPD:
Nov 2013 - 909,132
Dec 2013 - 908,000
Jan 2014 - 145,000
Feb 2014 - 258,000
Mar 2014 - 311,000
Apr 2014 - 115,000
May 2014 - 77,000
Jun 2014 - 197,000
Jul 2014 - 131,000
Aug 2014 - 150,000
Sep 2014 - 284,000
Oct 2014 - 170,000
Nov 2014 - 1,230,000
Dec 2014 - 1,290,000
Jan 2015 - 151,000
Feb 2015 - 276,000
Mar 2015 - 236,000
Apr 2015 - 187,000
May 2015 - 139,000
Jun 2015 - 297,000
Jul 2015 - 189,000
Aug 2015 - 202,000
Sep 2015 - 280,000
Oct 2015 - 303,000
Nov 2015 - 1,300,000
Dec 2015 - 1,380,000
Jan 2016 - 130,000
Feb 2016 - 249,000
Mar 2016 - 240,000
Apr 2016 - 168,000
May 2016 - 107,100
Jun 2016 - 211,900
Jul 2016 - 171,100
Aug 2016 - 275,000
Sep 2016 - 332,000
Oct 2016 - 329,000
Nov 2016 - 1,000,000
Dec 2016 - 1,511,000
Jan 2017 - 157,545
Feb 2017 - 215,418
Mar 2017 - 243,514
Apr 2017 - 109,950
May 2017 - 109,130
Jun 2017 - 153,389
Jul 2017 - >105,000 (Lets say 100,000)
2013 = 1,817,132
2014 = 4,358,000
2015 = 4,940,000
2016 = 4,724,100
2017 = 1,088,946
Total = 16,928,178 (VGChartz at 16,960,108 as of June 3rd 2017)
What do you think it will be world wide? Maybe this is 55% or so of it's overall total?