Frequencies for d_4_hos_c1_61 variable in hosp_rollup2552_96_1997 dataset :

d_4_hos_c1_ |
         61 |      Freq.     Percent        Cum.
------------+-----------------------------------
       8913 |          1        0.02        0.02
      22056 |          1        0.02        0.03
          . |      6,313       99.97      100.00
------------+-----------------------------------
      Total |      6,315      100.00

by Jean Roth , jroth@nber.org , 5 Sep 2018