Frequencies for b_1_c23_35 variable in hosp_rollup2552_96_2005 dataset :

 b_1_c23_35 |      Freq.     Percent        Cum.
------------+-----------------------------------
       3281 |          1        0.02        0.02
     106157 |          1        0.02        0.03
     516241 |          1        0.02        0.05
     722041 |          1        0.02        0.06
          . |      6,181       99.94      100.00
------------+-----------------------------------
      Total |      6,185      100.00

by Jean Roth , jroth@nber.org , 21 Apr 2018