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

   Accident |
 Fatalities |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      9,093       90.93       90.93
          2 |        714        7.14       98.07
          3 |        141        1.41       99.48
          4 |         36        0.36       99.84
          5 |          9        0.09       99.93
          6 |          4        0.04       99.97
          7 |          1        0.01       99.98
          8 |          1        0.01       99.99
          9 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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