Frequencies for urspa variable in impact2017 dataset :

   Urban or |
      Rural |
designation |
   based on |
    payment |
       CBSA |      Freq.     Percent        Cum.
------------+-----------------------------------
     LURBAN |      1,406       41.24       41.24
     OURBAN |      1,160       34.03       75.27
      RURAL |        843       24.73      100.00
------------+-----------------------------------
      Total |      3,409      100.00

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