shifter on column

How rare is it to have a 1970 GTO, with auto shifter on column?

I don't know how many were made but there weren't a lot.

Rare and desirable are two different things. I have a 69 and it's auto on the column and it's a nice car, but it's not a very desirable combination. Most people want to have either the four-speed or auto on the floor.