Frequencies for b_1_c21_45 variable in prds_hosp10_yr2012 dataset :

 b_1_c21_45 |      Freq.     Percent        Cum.
------------+-----------------------------------
      32635 |          1        0.02        0.02
          . |      6,226       99.98      100.00
------------+-----------------------------------
      Total |      6,227      100.00

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