Frequencies for region variable in impact2013 dataset :

     Region |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        143        4.09        4.09
          2 |        387       11.06       15.14
          3 |        592       16.91       32.06
          4 |        519       14.83       46.89
          5 |        325        9.29       56.17
          6 |        270        7.71       63.89
          7 |        558       15.94       79.83
          8 |        239        6.83       86.66
          9 |        415       11.86       98.51
         40 |         52        1.49      100.00
------------+-----------------------------------
      Total |      3,500      100.00

by Jean Roth , jroth@nber.org , 16 Dec 2016