Frequencies for d_4_hos_c2_52 variable in hosp_rollup2552_96_2004 dataset :

d_4_hos_c2_ |
         52 |      Freq.     Percent        Cum.
------------+-----------------------------------
          3 |          1        0.02        0.02
         25 |          1        0.02        0.03
         49 |          1        0.02        0.05
         97 |          1        0.02        0.06
        159 |          1        0.02        0.08
        236 |          1        0.02        0.10
        256 |          2        0.03        0.13
        269 |          1        0.02        0.15
        283 |          1        0.02        0.16
        340 |          1        0.02        0.18
        397 |          1        0.02        0.19
        531 |          1        0.02        0.21
        568 |          2        0.03        0.24
       1181 |          1        0.02        0.26
       1715 |          1        0.02        0.27
       1939 |          1        0.02        0.29
       1998 |          1        0.02        0.31
       5065 |          1        0.02        0.32
      28780 |          1        0.02        0.34
      34433 |          1        0.02        0.35
      37198 |          1        0.02        0.37
      63945 |          1        0.02        0.39
      69606 |          1        0.02        0.40
      79385 |          1        0.02        0.42
      95311 |          1        0.02        0.44
     181051 |          1        0.02        0.45
     196812 |          1        0.02        0.47
     201203 |          1        0.02        0.48
          . |      6,173       99.52      100.00
------------+-----------------------------------
      Total |      6,203      100.00

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