NPD Comparison: First 4 months in the USA

[PS360N64PSXBOX]

TheSource said:

http://cache.kotaku.com/assets/resources/2007/04/Firstfour.JPG

Wii 1.86 million (Nov-Feb)

Xbox 1.69 million (Nov-Feb)

Gamecube 1.38 million (Nov-Feb)

PS2 1.36 million (Oct-Jan)

PS3 1.06 million (Nov-Feb)

Xbox 360 1.00 million (Nov-Feb)

 

 

Are those for this year so far or for each systems first 4 months of it's launch?