How many 1976 Chevy Silverado's were made? and how many were 3 speed on...

[leeman0234]

...the column(tree)? Do anyone know how many 1976 Chevy Trucks were made and how many were 3 speed on the column. I have one that is a 4x4 with a 350 and a 3 on the tree and I have heard they were quite rare just wondering how many were made.