biz-buz,
To save you the cost of HeliCAS (now 'ASO'), Eurocopter publishes a 'Fleet Distribution' pamphlet each year that has the numbers you want. It's not on their website, but if you contact them you might get a copy.
Production numbers as follows (as of 12/31/11):
Alouette: 3,245 (II = 1,773, III = 1,472)
Gazelle: 1,269
BO105: 1,407
Puma: 705
Super Frelon: 105
EC120: 697
EC130: 414
AS350/AS550: 3,931
AS355/AS555: 772
EC135/EC635: 1,009
BK117: 444
EC145: 482
SA360/SA361: 36
EC155: 142
AS365/AS565: 749
HH/MH-65: 106
EC225/EC725: 131
AS332/AS532 Mk1: 575
AS332/AS532 Mk2: 90
Tiger: 83
NH90: 101
I/C