Frequencies for division variable in impact2002 dataset :

     Census |
   Division |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        188        3.85        3.85
          2 |        491       10.05       13.90
          3 |        711       14.55       28.45
          4 |        735       15.04       43.49
         40 |         51        1.04       44.54
          5 |        424        8.68       53.21
          6 |        678       13.88       67.09
          7 |        679       13.90       80.99
          8 |        351        7.18       88.17
          9 |        578       11.83      100.00
------------+-----------------------------------
      Total |      4,886      100.00

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