Frequencies for b_1_c23_68 variable in hosp_rollup2552_96_2004 dataset :

 b_1_c23_68 |      Freq.     Percent        Cum.
------------+-----------------------------------
         47 |          1        0.02        0.02
      19947 |          1        0.02        0.03
      31873 |          1        0.02        0.05
     138558 |          1        0.02        0.06
     251064 |          1        0.02        0.08
          . |      6,198       99.92      100.00
------------+-----------------------------------
      Total |      6,203      100.00

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