Frequencies for d_4_hos_c6_67 variable in hosp_rollup2552_96_2007 dataset :

d_4_hos_c6_ |
         67 |      Freq.     Percent        Cum.
------------+-----------------------------------
        170 |          1        0.02        0.02
          . |      6,233       99.98      100.00
------------+-----------------------------------
      Total |      6,234      100.00

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