Frequencies for s2_1_c7_3 variable in hcris2552_10_2010 dataset :

   hospital |
   title 18 |
    payment |
     system |
    (p/t/o) |
    s200001 |
00300 00700 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |         29        1.25        1.25
          O |        531       22.87       24.12
          P |      1,733       74.63       98.75
          T |         29        1.25      100.00
------------+-----------------------------------
      Total |      2,322      100.00

by Jean Roth , jroth@nber.org , 23 Aug 2018