Frequencies for d_5_hos_c9_64 variable in hosp_rollup2552_96_2010 dataset :

d_5_hos_c9_ |
         64 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          1        0.02        0.02
        183 |          1        0.02        0.05
        727 |          1        0.02        0.07
          . |      4,002       99.93      100.00
------------+-----------------------------------
      Total |      4,005      100.00

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