Frequencies for first 10,000 rows of pdtry_srvc_onst_nrsdnt_sw variable in pos2007 dataset :

       srv: |
podiatry-on |
   site-non |
  residents |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      7,522       75.22       75.22
          N |      2,452       24.52       99.74
          Y |         26        0.26      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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