Frequencies for a_c2_96 variable in hosp_rollup2552_96_2011 dataset :

    a_c2_96 |      Freq.     Percent        Cum.
------------+-----------------------------------
         33 |          1        3.45        3.45
       8664 |          1        3.45        6.90
      16491 |          1        3.45       10.34
      72245 |          1        3.45       13.79
      75019 |          1        3.45       17.24
     111903 |          1        3.45       20.69
          . |         23       79.31      100.00
------------+-----------------------------------
      Total |         29      100.00

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