Frequencies for d_4_hos_c2_52 variable in hosp_rollup2552_96_2002 dataset :

d_4_hos_c2_ |
         52 |      Freq.     Percent        Cum.
------------+-----------------------------------
          4 |          1        0.02        0.02
          6 |          1        0.02        0.03
          7 |          1        0.02        0.05
        120 |          1        0.02        0.07
        145 |          1        0.02        0.08
        161 |          1        0.02        0.10
        183 |          1        0.02        0.11
        236 |          2        0.03        0.15
        332 |          1        0.02        0.16
        437 |          1        0.02        0.18
        442 |          1        0.02        0.20
        461 |          1        0.02        0.21
        523 |          1        0.02        0.23
        678 |          1        0.02        0.24
       1169 |          1        0.02        0.26
       1542 |          1        0.02        0.28
       1790 |          1        0.02        0.29
       6350 |          1        0.02        0.31
      29197 |          1        0.02        0.33
      32985 |          1        0.02        0.34
      36963 |          1        0.02        0.36
      46568 |          1        0.02        0.38
      77964 |          1        0.02        0.39
      96568 |          1        0.02        0.41
     133121 |          1        0.02        0.42
     204824 |          1        0.02        0.44
     302983 |          2        0.03        0.47
          . |      6,095       99.53      100.00
------------+-----------------------------------
      Total |      6,124      100.00

by Jean Roth , jroth@nber.org , 10 Sep 2018