Frequencies for d_5_hos_c6_64 variable in hosp_rollup2552_96_1997 dataset :

d_5_hos_c6_ |
         64 |      Freq.     Percent        Cum.
------------+-----------------------------------
         67 |          1        0.02        0.02
        474 |          1        0.02        0.03
       2093 |          1        0.02        0.05
       4255 |          1        0.02        0.06
       7947 |          1        0.02        0.08
          . |      6,310       99.92      100.00
------------+-----------------------------------
      Total |      6,315      100.00

by Jean Roth , jroth@nber.org , 5 Sep 2018