I can tell you that there are 290 of the straight M35A2 w/o 232000071616 and w/w 2320000071617 models at DRMO. Doesn't include any of the 109's, XLB, A3's, A2C, etc.
Much smaller numbers in the northeast now although there is a smattering. Main places are MO, TX, CA, MS, and very heavy in...