Frequencies for s2_1_c1_37 variable in prds_hosp10_yr2012 dataset :

 s2_1_c1_37 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        223        3.58        3.58
          2 |          1        0.02        3.60
          . |      6,003       96.40      100.00
------------+-----------------------------------
      Total |      6,227      100.00

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