Frequencies for d_4_hos_c6_47 variable in hosp_rollup2552_96_1997 dataset :

d_4_hos_c6_ |
         47 |      Freq.     Percent        Cum.
------------+-----------------------------------
     269842 |          1        0.02        0.02
    1169614 |          1        0.02        0.03
    1484103 |          1        0.02        0.05
          . |      6,312       99.95      100.00
------------+-----------------------------------
      Total |      6,315      100.00

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