Frequencies for s2_1_c2_115 variable in prds_hosp10_yr2011 dataset :

s2_1_c2_115 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      5,877       95.56       95.56
          A |        184        2.99       98.55
          B |         30        0.49       99.04
          E |         59        0.96      100.00
------------+-----------------------------------
      Total |      6,150      100.00

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