Frequencies for division variable in impact1994 dataset :

     Census |
   Division |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        225        4.16        4.16
          2 |        538        9.95       14.11
          3 |        801       14.82       28.93
          4 |        804       14.87       43.80
         40 |         55        1.02       44.82
          5 |        460        8.51       53.33
          6 |        753       13.93       67.26
          7 |        746       13.80       81.06
          8 |        370        6.84       87.90
          9 |        654       12.10      100.00
------------+-----------------------------------
      Total |      5,406      100.00

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