Frequencies for region variable in impact2005 dataset :

     Region |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        167        4.19        4.19
          2 |        451       11.32       15.52
          3 |        640       16.07       31.58
          4 |        599       15.04       46.62
          5 |        373        9.36       55.99
          6 |        369        9.26       65.25
          7 |        599       15.04       80.29
          8 |        246        6.18       86.47
          9 |        487       12.23       98.69
         40 |         52        1.31      100.00
------------+-----------------------------------
      Total |      3,983      100.00

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