sc94597 on 28 December 2014
Wii U - 3.75 mil (peak year with $50 price cut)
PS4 - 16.5 mil (2016 will be peak year at 21 mil.)
Xbone 8 mil (2016 will be peak year at 12 mil.)
3DS - 7.25 mil (slow decline)
Vita - 1.8 mil (slow decline next year, steep decline after.)