Frequencies for region variable in impact2010 dataset :

     Region |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        144        4.00        4.00
          2 |        414       11.51       15.52
          3 |        606       16.85       32.37
          4 |        519       14.43       46.80
          5 |        337        9.37       56.17
          6 |        274        7.62       63.79
          7 |        575       15.99       79.78
          8 |        250        6.95       86.74
          9 |        426       11.85       98.58
         40 |         51        1.42      100.00
------------+-----------------------------------
      Total |      3,596      100.00

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