UPDATED
This will be the last time I update it, the data for the WII FIT just stops while it was still selling around 6000/week, unless someone has a better source with the missing data.
The gap also between the sales per week and the total is showing a big gap now, if I sum one by one the weeks for the WII FIT I obtain a big difference:
The table shows 3,536,288 but the sum is 3,376,471
SOURCE used so far:
http://garaph.info/softwareindividual.php/gid/2674