There have been 6 Wii games released that you dont yet have data for as of 1st April, MediaCreate had the following sales for them:
8,000 Mahjong
6,000 Trains 06 Go (Densha de Go)
2,000 Cars
1,700 Romance 3 kingdoms 11 (San Goku Shi 11)
1,500 Spongebob
1,000 Sudoku
Wii - 3348 5602 9364 2110
Mario Kart - 0474 1321 9262