Frequencies for a8_c2_23 variable in prds_hosp10_yr2010 dataset :

   a8_c2_23 |      Freq.     Percent        Cum.
------------+-----------------------------------
    -787424 |          1        0.04        0.04
     -37596 |          1        0.04        0.09
     -22162 |          1        0.04        0.13
       -657 |          1        0.04        0.17
       -405 |          1        0.04        0.22
       -386 |          1        0.04        0.26
          . |      2,317       99.74      100.00
------------+-----------------------------------
      Total |      2,323      100.00

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