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

 fatalities |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      9,085       90.85       90.85
          2 |        728        7.28       98.13
          3 |        125        1.25       99.38
          4 |         39        0.39       99.77
          5 |         16        0.16       99.93
          6 |          1        0.01       99.94
          7 |          3        0.03       99.97
          8 |          2        0.02       99.99
         10 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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