Frequencies for d_4_hos_c7_52 variable in hosp_rollup2552_96_1996 dataset :

d_4_hos_c7_ |
         52 |      Freq.     Percent        Cum.
------------+-----------------------------------
          2 |          1        0.02        0.02
          4 |          1        0.02        0.03
          8 |          1        0.02        0.05
         26 |          1        0.02        0.07
         48 |          1        0.02        0.08
         66 |          1        0.02        0.10
         70 |          1        0.02        0.12
         75 |          1        0.02        0.13
         87 |          1        0.02        0.15
        164 |          1        0.02        0.17
        775 |          1        0.02        0.18
        875 |          1        0.02        0.20
       1109 |          1        0.02        0.22
       1374 |          1        0.02        0.23
       1704 |          1        0.02        0.25
       2429 |          1        0.02        0.27
       3029 |          1        0.02        0.28
       4640 |          1        0.02        0.30
      28042 |          1        0.02        0.32
     236697 |          1        0.02        0.33
          . |      6,001       99.67      100.00
------------+-----------------------------------
      Total |      6,021      100.00

by Jean Roth , jroth@nber.org , 3 Sep 2018