Frequencies for first 10,000 rows of physn_ext_srvc_ofsite_rsdnt_sw variable in pos2011 dataset :

  Physician |
   Extender |
    Service |
 Offsite To |
   Resident |
     Switch |
    (F37A3) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |        354        3.54        3.54
          N |      9,467       94.67       98.21
          Y |        179        1.79      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 20 Apr 2019