Frequencies for a8_c2_25 variable in hosp_rollup2552_96_2001 dataset :

   a8_c2_25 |      Freq.     Percent        Cum.
------------+-----------------------------------
     -15231 |          1        0.02        0.02
      -1823 |          1        0.02        0.03
          . |      6,063       99.97      100.00
------------+-----------------------------------
      Total |      6,065      100.00

by Jean Roth , jroth@nber.org , 9 Sep 2018