Frequencies for m_harm variable in vehicle dataset :

       MOST |
    HARMFUL |
      EVENT |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |         32        4.41        4.41
          2 |          3        0.41        4.83
          3 |          1        0.14        4.97
          5 |          4        0.55        5.52
          7 |         17        2.34        7.86
          8 |        185       25.52       33.38
          9 |         14        1.93       35.31
         11 |          3        0.41       35.72
         12 |        329       45.38       81.10
         14 |         16        2.21       83.31
         15 |          1        0.14       83.45
         25 |         25        3.45       86.90
         30 |         24        3.31       90.21
         35 |          1        0.14       90.34
         37 |          4        0.55       90.90
         38 |          9        1.24       92.14
         39 |         16        2.21       94.34
         42 |         31        4.28       98.62
         43 |         10        1.38      100.00
------------+-----------------------------------
      Total |        725      100.00

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