Frequencies for d_4_hos_c2_52 variable in hosp_rollup2552_96_2001 dataset :

d_4_hos_c2_ |
         52 |      Freq.     Percent        Cum.
------------+-----------------------------------
          2 |          1        0.02        0.02
          9 |          1        0.02        0.03
        116 |          1        0.02        0.05
        138 |          1        0.02        0.07
        151 |          1        0.02        0.08
        165 |          1        0.02        0.10
        217 |          1        0.02        0.12
        324 |          1        0.02        0.13
        389 |          1        0.02        0.15
        915 |          1        0.02        0.16
        943 |          1        0.02        0.18
       1229 |          1        0.02        0.20
       3553 |          1        0.02        0.21
       3856 |          1        0.02        0.23
      11778 |          1        0.02        0.25
      12485 |          1        0.02        0.26
      25052 |          1        0.02        0.28
      44426 |          1        0.02        0.30
      47911 |          1        0.02        0.31
      49123 |          1        0.02        0.33
      88053 |          1        0.02        0.35
     209814 |          1        0.02        0.36
     417650 |          2        0.03        0.40
          . |      6,041       99.60      100.00
------------+-----------------------------------
      Total |      6,065      100.00

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