Frequencies for region variable in impact2009 dataset :

     Region |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        144        3.98        3.98
          2 |        419       11.58       15.56
          3 |        604       16.69       32.25
          4 |        517       14.29       46.53
          5 |        341        9.42       55.95
          6 |        281        7.76       63.72
          7 |        580       16.03       79.75
          8 |        248        6.85       86.60
          9 |        432       11.94       98.54
         40 |         53        1.46      100.00
------------+-----------------------------------
      Total |      3,619      100.00

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