Frequencies for d_4_hos_c8_42 variable in hosp_rollup2552_96_2011 dataset :

d_4_hos_c8_ |
         42 |      Freq.     Percent        Cum.
------------+-----------------------------------
     540528 |          1        3.57        3.57
    1047264 |          1        3.57        7.14
    1895640 |          1        3.57       10.71
    2098980 |          1        3.57       14.29
    9951408 |          1        3.57       17.86
          . |         23       82.14      100.00
------------+-----------------------------------
      Total |         28      100.00

by Jean Roth , jroth@nber.org , 20 Jan 2017