"how many of mine" is a real common question, unlikely you'll find production figures of any individual model in any pre-72 year, certainly not by the particular options included, GM didn't keep that sort of info regularly - there were almost 400,000 Chev trucks made in 62, one of the biggest years ever according to Gunnells book, and an optional V8 was more popular each year between 60 and 66
Bill