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

  Physician |
   Extender |
    Service |
  Onsite To |
Non-Residen |
   t Switch |
    (F37A2) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |        354        3.54        3.54
          N |      9,634       96.34       99.88
          Y |         12        0.12      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 19 Apr 2019