Frequencies for a_c6_4 variable in hosp_rollup2552_96_2011 dataset :

     a_c6_4 |      Freq.     Percent        Cum.
------------+-----------------------------------
     -10602 |          1        3.45        3.45
      -4934 |          1        3.45        6.90
      -4080 |          1        3.45       10.34
      -3935 |          2        6.90       17.24
      -1403 |          1        3.45       20.69
       4153 |          1        3.45       24.14
      10997 |          1        3.45       27.59
      19938 |          1        3.45       31.03
      42474 |          1        3.45       34.48
      71460 |          1        3.45       37.93
      71995 |          1        3.45       41.38
      72288 |          1        3.45       44.83
     447654 |          1        3.45       48.28
     515929 |          1        3.45       51.72
          . |         14       48.28      100.00
------------+-----------------------------------
      Total |         29      100.00

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