Frequencies for division variable in impact1996 dataset :

     Census |
   Division |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        217        4.09        4.09
          2 |        525        9.90       13.99
          3 |        786       14.82       28.81
          4 |        795       14.99       43.81
         40 |         53        1.00       44.80
          5 |        443        8.35       53.16
          6 |        735       13.86       67.02
          7 |        747       14.09       81.11
          8 |        367        6.92       88.03
          9 |        635       11.97      100.00
------------+-----------------------------------
      Total |      5,303      100.00

by Jean Roth , jroth@nber.org , 17 Mar 2016