Frequencies for harm_ev variable in accident dataset :

      First |
    Harmful |
      Event |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |         15        3.09        3.09
          2 |          1        0.21        3.29
          5 |          7        1.44        4.73
          7 |          8        1.65        6.38
          8 |        201       41.36       47.74
          9 |         18        3.70       51.44
         11 |          2        0.41       51.85
         12 |        116       23.87       75.72
         13 |          1        0.21       75.93
         14 |         11        2.26       78.19
         18 |          1        0.21       78.40
         22 |          2        0.41       78.81
         23 |          4        0.82       79.63
         24 |          5        1.03       80.66
         25 |          3        0.62       81.28
         26 |          9        1.85       83.13
         29 |          1        0.21       83.33
         30 |         13        2.67       86.01
         31 |          2        0.41       86.42
         33 |         15        3.09       89.51
         35 |         10        2.06       91.56
         37 |          5        1.03       92.59
         38 |          1        0.21       92.80
         39 |          4        0.82       93.62
         42 |         30        6.17       99.79
         44 |          1        0.21      100.00
------------+-----------------------------------
      Total |        486      100.00

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