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

       srv: |
podiatry-on |
   site-non |
  residents |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      7,565       75.65       75.65
          N |      2,415       24.15       99.80
          Y |         20        0.20      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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