Frequencies for first 10,000 rows of physn_ext_srvc_onst_rsdnt_sw variable in pos2016 dataset :

  Services: |
  Physician |
   Extender |
    On-Site |
    Residen |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      7,585       75.85       75.85
          N |      1,544       15.44       91.29
          Y |        871        8.71      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 10 Jan 2017