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

  srv: phys |
ther-onsite |
       -non |
   resident |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      7,362       73.62       73.62
          N |      2,492       24.92       98.54
          Y |        146        1.46      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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