Frequencies for first 10,000 rows of prov3370 variable in pos2010 dataset :

  SRV: PHYS |
THER-ONSITE |
       -NON |
   RESIDENT |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      7,641       76.41       76.41
          N |      2,235       22.35       98.76
          Y |        124        1.24      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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