Frequencies for d_4_hos_c6_66 variable in hosp_rollup2552_96_2009 dataset :

d_4_hos_c6_ |
         66 |      Freq.     Percent        Cum.
------------+-----------------------------------
      60012 |          1        0.02        0.02
          . |      6,162       99.98      100.00
------------+-----------------------------------
      Total |      6,163      100.00

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