Frequencies for division variable in impact2001 dataset :

     Census |
   Division |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        198        3.97        3.97
          2 |        501       10.05       14.03
          3 |        732       14.69       28.72
          4 |        746       14.97       43.69
         40 |         50        1.00       44.69
          5 |        428        8.59       53.28
          6 |        690       13.85       67.13
          7 |        697       13.99       81.12
          8 |        355        7.12       88.24
          9 |        586       11.76      100.00
------------+-----------------------------------
      Total |      4,983      100.00

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