Frequencies for first 10,000 rows of pdtry_srvc_onst_rsdnt_sw variable in pos1997 dataset :

       srv: |
podiatry-on |
site-reside |
        nts |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      7,410       74.10       74.10
          N |        698        6.98       81.08
          Y |      1,892       18.92      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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