Frequencies for a_c1_55 variable in hosp_rollup2552_96_2011 dataset :

    a_c1_55 |      Freq.     Percent        Cum.
------------+-----------------------------------
       2041 |          1        3.45        3.45
       3812 |          1        3.45        6.90
       4257 |          1        3.45       10.34
       7947 |          1        3.45       13.79
      15460 |          1        3.45       17.24
      57422 |          1        3.45       20.69
      61868 |          1        3.45       24.14
     117021 |          1        3.45       27.59
          . |         21       72.41      100.00
------------+-----------------------------------
      Total |         29      100.00

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