According to this:
http://www.20minutes.fr/article/166949/20070627-High-Tech-La-Wii-dope-le-marche-des-jeux.php
and I originally got the link from:
http://www.n-europe.com/news.php?nid=10723
This site has got French sales at just under 500,000 and from the way it's worded on the french site it seems the 700,000 is SOLD rather than SHIPPED...but I could be wrong!