Frequencies for division variable in impact1999 dataset :

     Census |
   Division |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        205        4.04        4.04
          2 |        505        9.96       14.00
          3 |        751       14.81       28.82
          4 |        761       15.01       43.83
         40 |         53        1.05       44.87
          5 |        432        8.52       53.39
          6 |        699       13.79       67.18
          7 |        702       13.85       81.03
          8 |        353        6.96       87.99
          9 |        609       12.01      100.00
------------+-----------------------------------
      Total |      5,070      100.00

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