Frequencies for a7_3_c11_3 variable in hosp_rollup2552_96_2011 dataset :

 a7_3_c11_3 |      Freq.     Percent        Cum.
------------+-----------------------------------
     -21357 |          1        3.45        3.45
       -490 |          1        3.45        6.90
        -40 |          1        3.45       10.34
      20130 |          1        3.45       13.79
      49520 |          1        3.45       17.24
      81162 |          1        3.45       20.69
     239555 |          1        3.45       24.14
     638222 |          1        3.45       27.59
    2506225 |          1        3.45       31.03
          . |         20       68.97      100.00
------------+-----------------------------------
      Total |         29      100.00

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