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

 fatalities |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      9,035       90.35       90.35
          2 |        760        7.60       97.95
          3 |        143        1.43       99.38
          4 |         44        0.44       99.82
          5 |         11        0.11       99.93
          6 |          2        0.02       99.95
          7 |          3        0.03       99.98
          9 |          1        0.01       99.99
         10 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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