ok, not too bad for one day. here's the poop on the 1980-1985 buses.
be aware that some of the internet for-sale web pages don't even list
anything older than 1984, so i'd stuck getting vins off them for the
early years. :(

1980  3 1980 --> 8.8%
1981  3 1981 --> 8.8%
1982  2 1982 --> 5.9%
1983  6 1983 --> 17.6%
1984  8 1984 --> 23.5%
1985 12 1985 --> 35.3%
     34 total

      73.5% 25 4-speeds of all types
      23.5%  8 automatics of all types
       0.0%  0 unknown
       2.9%  1 diesel
     100.0% 34

     0.0%  0 <blank>
     0.0%  0 L
    23.5%  8 GL
     8.8%  3 Camper
    23.5%  8 Camper L
    41.2% 14 Camper GL
     2.9%  1 Double-cab Pickup
     0.0%  0 Single-cab Pickup
   100.0% 34

         diesel 4-sp auto   ?
1980  3     0     2   1     0
1981  3     0     2   1     0
1982  2     1     1   0     0
1983  6     0     6   0     0
1984  8     0     7   1     0
1985 12     0     7   5     0
     34     1    25   8     0
          2.9% 73.5% 23.5% 0.0%