Frequencies for a7_3_c6_4 variable in hosp_rollup2552_96_2011 dataset :

  a7_3_c6_4 |      Freq.     Percent        Cum.
------------+-----------------------------------
       7820 |          1        3.45        3.45
      23710 |          1        3.45        6.90
      94717 |          2        6.90       13.79
          . |         25       86.21      100.00
------------+-----------------------------------
      Total |         29      100.00

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