Alright I guess I'll take a stab at it although this is quite a guess in the dark.
First Week:
360- 700k
Wii- 500k
PS3- 400k
PS2- 250k
End of the Year:
Wii- 2.50 million
360- 2.00 million
PS3- 1.00 million
PS2- 1.00 million
Lifetime:
Wii- 4.50 million
360- 3.50 million
PS3- 2.00 million
PS2- 1.75 million
Total- 11.75 million
Very rough haha but hey I'm not saying its fact now am I haha.