Frequencies for first 10,000 rows of cl_srvc_onst_nrsdnt_sw variable in pos1998 dataset :

       srv: |
   clinical |
lab-onsite- |
    non res |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      7,422       74.22       74.22
          N |      2,522       25.22       99.44
          Y |         56        0.56      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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