Frequencies for first 10,000 rows of fire_exp variable in vehicle dataset :

       fire |
 occurrence |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,696       96.96       96.96
          1 |        304        3.04      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Oct 2016