Frequencies for first 10,000 rows of fatals variable in accident dataset :

 fatalities |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      9,074       90.74       90.74
          2 |        740        7.40       98.14
          3 |        135        1.35       99.49
          4 |         37        0.37       99.86
          5 |          8        0.08       99.94
          6 |          2        0.02       99.96
          7 |          2        0.02       99.98
          8 |          1        0.01       99.99
         12 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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