Turkish on 31 December 2011
Wii: 8 million
360: 13 million with pricecut
PS3: 15-16 million with 50 euros/dollar pricecut
PS3 will sit around 75-76 million in january 2013.
Im not sure about the 3DS and Vita but:
3DS: 20-25 million
Vita 14-15 million?