Frequencies for a_perinj variable in per_aux dataset :

     Person |
Injury Type |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        598       40.24       40.24
          6 |        888       59.76      100.00
------------+-----------------------------------
      Total |      1,486      100.00

by Jean Roth , jroth@nber.org , 18 Apr 2016