Frequencies for urgeo variable in impact2000 dataset :

Pre-Reclass |
  ification |
Urban/Rural |
   Location |      Freq.     Percent        Cum.
------------+-----------------------------------
     LURBAN |      1,622       32.34       32.34
     OURBAN |      1,202       23.96       56.30
      RURAL |      2,192       43.70      100.00
------------+-----------------------------------
      Total |      5,016      100.00

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