In fact I asked to at least 20 stores in several areas like paris, marseille (south) and Nancy (east) : Not ONE store recieved any shipment of Wii during week 51 and as a result sales for wii should be null (no wiis, no sales). However demand is higher than demand for PS3 or XB360...
Thus IMO french hardware sales for week 51 are overestimated by vgchartz...