Frequencies for b_1_c22_48 variable in hosp_rollup2552_96_1998 dataset :

 b_1_c22_48 |      Freq.     Percent        Cum.
------------+-----------------------------------
        395 |          1        0.02        0.02
       5517 |          1        0.02        0.03
      13911 |          1        0.02        0.05
      49049 |          1        0.02        0.06
          . |      6,220       99.94      100.00
------------+-----------------------------------
      Total |      6,224      100.00

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