Frequencies for d_4_hos_c2_47 variable in hosp_rollup2552_96_2006 dataset :

d_4_hos_c2_ |
         47 |      Freq.     Percent        Cum.
------------+-----------------------------------
        196 |          1        0.02        0.02
        200 |          1        0.02        0.03
        408 |          1        0.02        0.05
        578 |          1        0.02        0.06
        968 |          1        0.02        0.08
       6191 |          1        0.02        0.10
       8896 |          1        0.02        0.11
       8969 |          1        0.02        0.13
       9902 |          1        0.02        0.15
      10092 |          1        0.02        0.16
      10683 |          1        0.02        0.18
      12354 |          1        0.02        0.19
      15619 |          1        0.02        0.21
      28440 |          1        0.02        0.23
      30205 |          1        0.02        0.24
      36784 |          1        0.02        0.26
      46258 |          1        0.02        0.27
      46844 |          1        0.02        0.29
      49312 |          1        0.02        0.31
      55898 |          1        0.02        0.32
     129163 |          1        0.02        0.34
     176893 |          1        0.02        0.36
     195111 |          1        0.02        0.37
          . |      6,169       99.63      100.00
------------+-----------------------------------
      Total |      6,192      100.00

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