Frequencies for first 10,000 rows of cl_srvc_ofsite_rsdnt_sw variable in pos1996 dataset :

       srv: |
   clinical |
lab-offsite |
  -resident |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      7,254       72.54       72.54
          N |      2,082       20.82       93.36
          Y |        664        6.64      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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