Frequencies for first 10,000 rows of prov3710 variable in pos1993 dataset :

  federally |
     funded |
     health |
     center |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,758       97.58       97.58
          N |        220        2.20       99.78
          Y |         22        0.22      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 26 Jan 2016