Frequencies for fatals variable in accident dataset :

   Accident |
 Fatalities |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        464       95.47       95.47
          2 |         17        3.50       98.97
          3 |          4        0.82       99.79
          4 |          1        0.21      100.00
------------+-----------------------------------
      Total |        486      100.00

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