Frequencies for first 10,000 rows of cl_srvc_onst_nrsdnt_sw variable in pos2000 dataset :

       srv: |
   clinical |
lab-onsite- |
    non res |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      7,362       73.62       73.62
          N |      2,579       25.79       99.41
          Y |         59        0.59      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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