Frequencies for d4_hos_c2_66 variable in hosp_rollup2552_96_1998 dataset :

d4_hos_c2_6 |
          6 |      Freq.     Percent        Cum.
------------+-----------------------------------
         10 |          1        0.02        0.02
        186 |          1        0.02        0.03
        218 |          1        0.02        0.05
        735 |          1        0.02        0.06
        888 |          1        0.02        0.08
       5570 |          1        0.02        0.10
       6379 |          1        0.02        0.11
      11617 |          1        0.02        0.13
      18544 |          1        0.02        0.14
      34574 |          1        0.02        0.16
      76236 |          1        0.02        0.18
      81858 |          1        0.02        0.19
     878632 |          1        0.02        0.21
    2306869 |          1        0.02        0.22
          . |      6,210       99.78      100.00
------------+-----------------------------------
      Total |      6,224      100.00

by Jean Roth , jroth@nber.org , 6 Sep 2018