Frequencies for d_4_hos_c6_63 variable in hosp_rollup2552_96_2000 dataset :

d_4_hos_c6_ |
         63 |      Freq.     Percent        Cum.
------------+-----------------------------------
      19188 |          1        0.02        0.02
      27108 |          1        0.02        0.03
     268350 |          1        0.02        0.05
    2185635 |          1        0.02        0.07
          . |      6,091       99.93      100.00
------------+-----------------------------------
      Total |      6,095      100.00

by Jean Roth , jroth@nber.org , 8 Sep 2018