Frequencies for d_5_hos_c4_57 variable in hosp_rollup2552_96_1998 dataset :

d_5_hos_c4_ |
         57 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          3        0.05        0.05
         11 |          1        0.02        0.06
         13 |          1        0.02        0.08
         41 |          1        0.02        0.10
         45 |          1        0.02        0.11
         59 |          1        0.02        0.13
         91 |          1        0.02        0.14
        198 |          1        0.02        0.16
        517 |          1        0.02        0.18
        667 |          1        0.02        0.19
        691 |          1        0.02        0.21
       1028 |          1        0.02        0.22
       1375 |          1        0.02        0.24
       1474 |          1        0.02        0.26
       1483 |          1        0.02        0.27
       3300 |          1        0.02        0.29
      11179 |          1        0.02        0.31
      33921 |          1        0.02        0.32
          . |      6,204       99.68      100.00
------------+-----------------------------------
      Total |      6,224      100.00

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