Frequencies for d_4_hos_c8_67 variable in hosp_rollup2552_96_2007 dataset :

d_4_hos_c8_ |
         67 |      Freq.     Percent        Cum.
------------+-----------------------------------
       1334 |          1        0.02        0.02
       2865 |          1        0.02        0.03
     226467 |          2        0.03        0.07
     273350 |          1        0.02        0.08
     582326 |          1        0.02        0.10
          . |      6,137       99.90      100.00
------------+-----------------------------------
      Total |      6,143      100.00

by Jean Roth , jroth@nber.org , 20 Jan 2017