Frequencies for division variable in impact1995 dataset :

     Census |
   Division |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        223        4.16        4.16
          2 |        531        9.91       14.08
          3 |        785       14.65       28.73
          4 |        801       14.95       43.68
         40 |         54        1.01       44.69
          5 |        454        8.47       53.16
          6 |        746       13.93       67.09
          7 |        751       14.02       81.11
          8 |        367        6.85       87.96
          9 |        645       12.04      100.00
------------+-----------------------------------
      Total |      5,357      100.00

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