Frequencies for d_4_hos_c2_52 variable in hosp_rollup2552_96_2008 dataset :

d_4_hos_c2_ |
         52 |      Freq.     Percent        Cum.
------------+-----------------------------------
          2 |          2        0.03        0.03
         56 |          1        0.02        0.05
        100 |          1        0.02        0.06
        142 |          1        0.02        0.08
        238 |          1        0.02        0.09
        482 |          1        0.02        0.11
        599 |          1        0.02        0.13
       1623 |          1        0.02        0.14
       2176 |          1        0.02        0.16
       2280 |          1        0.02        0.17
       2723 |          1        0.02        0.19
       6178 |          1        0.02        0.20
       7145 |          1        0.02        0.22
      12910 |          1        0.02        0.24
      19086 |          1        0.02        0.25
      21030 |          2        0.03        0.28
      89127 |          1        0.02        0.30
     114494 |          1        0.02        0.31
     146835 |          1        0.02        0.33
     455492 |          1        0.02        0.35
          . |      6,352       99.65      100.00
------------+-----------------------------------
      Total |      6,374      100.00

by Jean Roth , jroth@nber.org , 21 Apr 2018