Wii sold 370k units in Japan, which means Nintendowas short of the initial guesstimates of 400k or so.

The top 5 selling games were:

Wii Sports - 176880
Wii Play - 171888
The Legend of Zelda: Twilight Princess - 145068
WarioWare: Smooth Moves - 63086
Super Swing Golf - 12673

Source : http://www.famitsu.com/game/news/200...64011,0,0.html