Frequencies for first 10,000 rows of fqhc_aprvd_rhc_sw variable in pos1994 dataset :

       fqhc |
   approved |
      rural |
     health |
     clinic |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,746       97.46       97.46
          N |        223        2.23       99.69
          Y |         31        0.31      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 17 May 2017