Frequencies for d_4_hos_c8_56 variable in hosp_rollup2552_96_2011 dataset :

d_4_hos_c8_ |
         56 |      Freq.     Percent        Cum.
------------+-----------------------------------
    1109348 |          1        3.45        3.45
          . |         28       96.55      100.00
------------+-----------------------------------
      Total |         29      100.00

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