Frequencies for b_1_c22_35 variable in hosp_rollup2552_96_1998 dataset :

 b_1_c22_35 |      Freq.     Percent        Cum.
------------+-----------------------------------
       6403 |          1        0.02        0.02
      43693 |          1        0.02        0.03
      86984 |          1        0.02        0.05
    1018570 |          1        0.02        0.06
    1692631 |          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