Frequencies for a8_c2_23 variable in prds_hosp10_yr2015 dataset :

   a8_c2_23 |      Freq.     Percent        Cum.
------------+-----------------------------------
      -8755 |          1        0.02        0.02
      -6952 |          1        0.02        0.03
      -5975 |          1        0.02        0.05
      -1319 |          1        0.02        0.06
          . |      6,254       99.94      100.00
------------+-----------------------------------
      Total |      6,258      100.00

by Jean Roth , jroth@nber.org , 24 Aug 2018