Frequencies for s2_1_c1_27 variable in prds_hosp10_yr2012 dataset :

 s2_1_c1_27 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      3,849       61.81       61.81
          2 |      2,280       36.61       98.43
          . |         98        1.57      100.00
------------+-----------------------------------
      Total |      6,227      100.00

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