Frequencies for a_c2_60 variable in hosp_rollup2552_96_2011 dataset :

    a_c2_60 |      Freq.     Percent        Cum.
------------+-----------------------------------
       6577 |          1        3.45        3.45
      14900 |          1        3.45        6.90
      16197 |          1        3.45       10.34
      25709 |          2        6.90       17.24
      86858 |          1        3.45       20.69
     235878 |          1        3.45       24.14
     422335 |          1        3.45       27.59
     431268 |          1        3.45       31.03
          . |         20       68.97      100.00
------------+-----------------------------------
      Total |         29      100.00

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