Frequencies for b_1_c23_64 variable in hosp_rollup2552_96_1998 dataset :

 b_1_c23_64 |      Freq.     Percent        Cum.
------------+-----------------------------------
        394 |          1        0.02        0.02
       2164 |          1        0.02        0.03
       2223 |          1        0.02        0.05
       2737 |          1        0.02        0.06
      71437 |          1        0.02        0.08
          . |      6,219       99.92      100.00
------------+-----------------------------------
      Total |      6,224      100.00

by Jean Roth , jroth@nber.org , 6 Sep 2018