Frequencies for first 10,000 rows of f_ab_inj variable in natlterr2008 dataset :

      Birth |
     Injury |
(ab_binj) R |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,066       60.66       60.66
          1 |      3,934       39.34      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 3 May 2016