Frequencies for d_4_hos_c2_67 variable in hosp_rollup2552_96_2002 dataset :

d_4_hos_c2_ |
         67 |      Freq.     Percent        Cum.
------------+-----------------------------------
         17 |          1        0.02        0.02
       7502 |          1        0.02        0.03
          . |      6,122       99.97      100.00
------------+-----------------------------------
      Total |      6,124      100.00

by Jean Roth , jroth@nber.org , 10 Sep 2018