Frequencies for a8_c2_45 variable in hosp_rollup2552_96_2011 dataset :

   a8_c2_45 |      Freq.     Percent        Cum.
------------+-----------------------------------
    -304039 |          1        3.45        3.45
      -2500 |          1        3.45        6.90
      -2467 |          1        3.45       10.34
       -519 |          1        3.45       13.79
         -2 |          2        6.90       20.69
     165962 |          1        3.45       24.14
          . |         22       75.86      100.00
------------+-----------------------------------
      Total |         29      100.00

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