Frequencies for urgeo variable in impact2018 dataset :

      Large |
     Urban, |
Other Urban |
   or Rural |
Designation |
     of the |
  Providers |
 Geographic |
       CBSA |      Freq.     Percent        Cum.
------------+-----------------------------------
     lurban |      1,377       40.86       40.86
     ourban |      1,169       34.69       75.55
      rural |        824       24.45      100.00
------------+-----------------------------------
      Total |      3,370      100.00

by Jean Roth , jroth@nber.org , 30 Aug 2017