Frequencies for first 10,000 rows of pt_onst_nrsdnt_sw variable in pos2006 dataset :

  srv: phys |
ther-onsite |
       -non |
   resident |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      7,456       74.56       74.56
          N |      2,406       24.06       98.62
          Y |        138        1.38      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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