It's an information give by nintendo one year next the launch of the wii in France.
So, the recent number of 1,100,000, we speak last week, was certainly a speculation of the website jeux-france.
http://www.gamekult.com/articles/A0000063117/
I search other sources.
Here other sources:
http://www.jeux-france.com/news23094_la-wii-passe-le-million-en-france.html
http://www.jeuxvideo.fr/foyers-equipes-wii-france-actu-87940.html
(this last source seems the better source)







