From what my research tells me:
Lovenox volumes - is priced as a monthly supply (ie 30 doses) for about $600 - $800 pm.
So at 1.1m units pq x 4 x 30 = 135m needles pa.
That works out about right with the Sanofi deal.
1st qtr 2011, sales were 1.4m units pq = 168m needles pa.