Frequencies for first 10,000 rows of prov3370 variable in pos1993 dataset :

  srv: phys |
ther-onsite |
       -non |
   resident |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      7,627       76.27       76.27
          N |      2,274       22.74       99.01
          Y |         99        0.99      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 26 Jan 2016