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

 fatalities |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      9,059       90.59       90.59
          2 |        739        7.39       97.98
          3 |        150        1.50       99.48
          4 |         35        0.35       99.83
          5 |          9        0.09       99.92
          6 |          6        0.06       99.98
          7 |          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