Frequencies for a_c1_40 variable in hosp_rollup2552_96_2011 dataset :

    a_c1_40 |      Freq.     Percent        Cum.
------------+-----------------------------------
         52 |          1        3.45        3.45
        226 |          1        3.45        6.90
      14061 |          1        3.45       10.34
      29029 |          1        3.45       13.79
      54587 |          1        3.45       17.24
     156231 |          1        3.45       20.69
     491707 |          1        3.45       24.14
          . |         22       75.86      100.00
------------+-----------------------------------
      Total |         29      100.00

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