Frequencies for a8_c2_47 variable in hosp_rollup2552_96_2011 dataset :

   a8_c2_47 |      Freq.     Percent        Cum.
------------+-----------------------------------
     -13953 |          1        3.45        3.45
      -1515 |          1        3.45        6.90
       -650 |          2        6.90       13.79
       -289 |          1        3.45       17.24
          . |         24       82.76      100.00
------------+-----------------------------------
      Total |         29      100.00

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