Frequencies for d_5_hos_c9_66 variable in hosp_rollup2552_96_2007 dataset :

d_5_hos_c9_ |
         66 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          1        0.02        0.02
        751 |          1        0.02        0.03
          . |      6,232       99.97      100.00
------------+-----------------------------------
      Total |      6,234      100.00

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