Frequencies for b_1_c23_48 variable in hosp_rollup2552_96_2009 dataset :

 b_1_c23_48 |      Freq.     Percent        Cum.
------------+-----------------------------------
       3727 |          2        0.03        0.03
       5052 |          1        0.02        0.05
     374437 |          2        0.03        0.08
    4145870 |          1        0.02        0.09
          . |      6,354       99.91      100.00
------------+-----------------------------------
      Total |      6,360      100.00

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