Frequencies for region variable in impact2011 dataset :

     Region |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        145        4.08        4.08
          2 |        400       11.26       15.35
          3 |        594       16.73       32.08
          4 |        524       14.76       46.83
          5 |        332        9.35       56.18
          6 |        275        7.74       63.93
          7 |        560       15.77       79.70
          8 |        248        6.98       86.68
          9 |        423       11.91       98.59
         40 |         50        1.41      100.00
------------+-----------------------------------
      Total |      3,551      100.00

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