Frequencies for d_4_hos_c2_52 variable in hosp_rollup2552_96_2006 dataset :

d_4_hos_c2_ |
         52 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          1        0.02        0.02
          3 |          1        0.02        0.03
          4 |          1        0.02        0.05
         60 |          1        0.02        0.06
        213 |          1        0.02        0.08
        265 |          1        0.02        0.10
        297 |          1        0.02        0.11
        316 |          1        0.02        0.13
        391 |          1        0.02        0.15
        532 |          1        0.02        0.16
        553 |          1        0.02        0.18
        885 |          1        0.02        0.19
       1483 |          1        0.02        0.21
       1822 |          1        0.02        0.23
       1899 |          1        0.02        0.24
       3176 |          1        0.02        0.26
       3659 |          1        0.02        0.27
       4365 |          1        0.02        0.29
       4635 |          1        0.02        0.31
       6608 |          1        0.02        0.32
      11758 |          1        0.02        0.34
      12689 |          1        0.02        0.36
      13298 |          1        0.02        0.37
      42864 |          1        0.02        0.39
      52113 |          1        0.02        0.40
      58595 |          1        0.02        0.42
      68386 |          1        0.02        0.44
      93581 |          1        0.02        0.45
      93798 |          1        0.02        0.47
     161772 |          1        0.02        0.48
     420707 |          1        0.02        0.50
          . |      6,161       99.50      100.00
------------+-----------------------------------
      Total |      6,192      100.00

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