Frequencies for d_4_hos_c8_51 variable in hosp_rollup2552_96_2001 dataset :

d_4_hos_c8_ |
         51 |      Freq.     Percent        Cum.
------------+-----------------------------------
         67 |          1        0.02        0.02
         71 |          1        0.02        0.03
         99 |          1        0.02        0.05
        308 |          1        0.02        0.07
        350 |          1        0.02        0.08
        422 |          1        0.02        0.10
        724 |          1        0.02        0.12
       1099 |          1        0.02        0.13
       2172 |          1        0.02        0.15
       2955 |          1        0.02        0.16
       6162 |          1        0.02        0.18
       6406 |          1        0.02        0.20
       8648 |          1        0.02        0.21
      21618 |          1        0.02        0.23
      22255 |          1        0.02        0.25
      23705 |          1        0.02        0.26
      53685 |          1        0.02        0.28
          . |      6,048       99.72      100.00
------------+-----------------------------------
      Total |      6,065      100.00

by Jean Roth , jroth@nber.org , 9 Sep 2018