Lots. Most of the CF-7's were sold off to shortlines, in the early 90's. I still know of one, running on the "original" ATSF, between Amarillo, Tx., and Clovis, NM., and it's still in the original yellow and blue War Bonnet paint.....
Those were/are the "poor mans Geep", with most of them still operating, daily. As far as how many, you will have to locate every single buyer, then chase down the disposition, of their purchases. Seek and Ye Shall find, young James................