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While not a site that I think is known for accuracy, this is pretty much on target for what you seek:
http://www.yearone.com/updatedsingle...sprodnums.html
I can tell you the ragtop split is 168 auto/96 stick. Hardtop figures are about 1500/1000, and for the post coupe, I think they made more stick.
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I could be wrong but I had a '70 442 Post and seem to recall the Auto/Stick production for Post cars as 1065 M40's w/ the balance of 623 being Sticks?.

~ Pete