Frequencies for a_c1_100 variable in hosp_rollup2552_96_2011 dataset :

   a_c1_100 |      Freq.     Percent        Cum.
------------+-----------------------------------
      20100 |          1        3.45        3.45
      21080 |          1        3.45        6.90
      48920 |          1        3.45       10.34
      56792 |          1        3.45       13.79
      57636 |          1        3.45       17.24
      77376 |          1        3.45       20.69
      90062 |          1        3.45       24.14
     118201 |          2        6.90       31.03
     147874 |          1        3.45       34.48
     323469 |          1        3.45       37.93
          . |         18       62.07      100.00
------------+-----------------------------------
      Total |         29      100.00

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