Frequencies for s2_1_c7_3 variable in prds_hosp10_yr2014 dataset :

  s2_1_c7_3 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |         69        1.10        1.10
          O |      1,358       21.73       22.84
          P |      4,733       75.75       98.59
          T |         88        1.41      100.00
------------+-----------------------------------
      Total |      6,248      100.00

by Jean Roth , jroth@nber.org , 24 Aug 2018