Frequencies for first 10,000 rows of cl_srvc_onst_rsdnt_sw variable in pos2010 dataset :

       SRV: |
   CLINICAL |
LAB-ONSITE- |
  RESIDENTS |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      7,641       76.41       76.41
          N |        515        5.15       81.56
          Y |      1,844       18.44      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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