Frequencies for d_4_hos_c8_67 variable in hosp_rollup2552_96_2004 dataset :

d_4_hos_c8_ |
         67 |      Freq.     Percent        Cum.
------------+-----------------------------------
      33920 |          1        0.02        0.02
     295995 |          1        0.02        0.03
          . |      6,201       99.97      100.00
------------+-----------------------------------
      Total |      6,203      100.00

by Jean Roth , jroth@nber.org , 21 Apr 2018