Frequencies for first 10,000 rows of cl_srvc_onst_nrsdnt_sw variable in pos1994 dataset :

       srv: |
   clinical |
lab-onsite- |
    non res |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      7,565       75.65       75.65
          N |      2,386       23.86       99.51
          Y |         49        0.49      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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