Frequencies for first 10,000 rows of m_harm variable in vehicle dataset :

       MOST |
    HARMFUL |
      EVENT |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      1,469       14.69       14.69
          2 |        101        1.01       15.70
          3 |         50        0.50       16.20
          5 |         42        0.42       16.62
          6 |          1        0.01       16.63
          7 |         13        0.13       16.76
          8 |      1,191       11.91       28.67
          9 |        162        1.62       30.29
         10 |         52        0.52       30.81
         11 |         10        0.10       30.91
         12 |      5,291       52.91       83.82
         13 |        160        1.60       85.42
         14 |         95        0.95       86.37
         15 |         20        0.20       86.57
         16 |          2        0.02       86.59
         17 |          5        0.05       86.64
         18 |         21        0.21       86.85
         19 |         24        0.24       87.09
         20 |          2        0.02       87.11
         21 |         29        0.29       87.40
         22 |         11        0.11       87.51
         23 |         28        0.28       87.79
         24 |         88        0.88       88.67
         25 |         26        0.26       88.93
         26 |          5        0.05       88.98
         27 |         15        0.15       89.13
         28 |          2        0.02       89.15
         29 |         61        0.61       89.76
         30 |        206        2.06       91.82
         31 |         46        0.46       92.28
         32 |         29        0.29       92.57
         33 |         20        0.20       92.77
         34 |         33        0.33       93.10
         35 |         36        0.36       93.46
         36 |         16        0.16       93.62
         37 |         34        0.34       93.96
         38 |         35        0.35       94.31
         39 |         33        0.33       94.64
         40 |          2        0.02       94.66
         41 |          1        0.01       94.67
         42 |        485        4.85       99.52
         43 |         47        0.47       99.99
         44 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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