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

   Accident |
 Fatalities |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      9,073       90.73       90.73
          2 |        743        7.43       98.16
          3 |        115        1.15       99.31
          4 |         46        0.46       99.77
          5 |         13        0.13       99.90
          6 |          4        0.04       99.94
          7 |          2        0.02       99.96
          8 |          3        0.03       99.99
         21 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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