Well, at least 1 console is being constant

http://www.wired.com/gamelife/2009/05/wii-ps3-japan/#more-11321
The Wii is way below from the PS2 at the time, the PS3 has this little bump on March and April, but it's still below the Gamecube. Believe it or not the XBOX 360 is the only console with a constant rate








