Frequencies for division variable in impact1998 dataset :

     Census |
   Division |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        212        4.09        4.09
          2 |        516        9.96       14.05
          3 |        768       14.82       28.87
          4 |        776       14.97       43.84
         40 |         53        1.02       44.87
          5 |        440        8.49       53.36
          6 |        713       13.76       67.12
          7 |        720       13.89       81.01
          8 |        361        6.97       87.98
          9 |        623       12.02      100.00
------------+-----------------------------------
      Total |      5,182      100.00

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