Frequencies for b_1_c22_64 variable in hosp_rollup2552_96_1998 dataset :

 b_1_c22_64 |      Freq.     Percent        Cum.
------------+-----------------------------------
       1449 |          1        0.02        0.02
       3210 |          1        0.02        0.03
       4525 |          1        0.02        0.05
       6594 |          1        0.02        0.06
       9580 |          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