Frequencies for first 10,000 rows of pt_onst_nrsdnt_sw variable in pos2005 dataset :

  srv: phys |
ther-onsite |
       -non |
   resident |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      7,474       74.74       74.74
          N |      2,398       23.98       98.72
          Y |        128        1.28      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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