Frequencies for d_4_hos_c6_48 variable in hosp_rollup2552_96_2011 dataset :

d_4_hos_c6_ |
         48 |      Freq.     Percent        Cum.
------------+-----------------------------------
      90970 |          1        3.57        3.57
     398894 |          1        3.57        7.14
          . |         26       92.86      100.00
------------+-----------------------------------
      Total |         28      100.00

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