Frequencies for first 10,000 rows of injury variable in h170 dataset :

        WAS |
  CONDITION |
     DUE TO |
ACCIDENT/IN |
       JURY |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        677        6.77        6.77
          2 |      9,323       93.23      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 14 Jul 2017