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

      FIRST |
    HARMFUL |
      EVENT |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      1,098       10.98       10.98
          2 |          1        0.01       10.99
          3 |         11        0.11       11.10
          5 |         54        0.54       11.64
          6 |          1        0.01       11.65
          7 |         21        0.21       11.86
          8 |      1,498       14.98       26.84
          9 |        287        2.87       29.71
         10 |         56        0.56       30.27
         11 |         26        0.26       30.53
         12 |      3,672       36.72       67.25
         13 |        198        1.98       69.23
         14 |        131        1.31       70.54
         15 |         29        0.29       70.83
         16 |          6        0.06       70.89
         17 |         34        0.34       71.23
         18 |         31        0.31       71.54
         19 |         12        0.12       71.66
         20 |         11        0.11       71.77
         21 |         29        0.29       72.06
         22 |          6        0.06       72.12
         23 |         45        0.45       72.57
         24 |        271        2.71       75.28
         25 |         92        0.92       76.20
         26 |          7        0.07       76.27
         27 |        153        1.53       77.80
         28 |          2        0.02       77.82
         29 |         25        0.25       78.07
         30 |        211        2.11       80.18
         31 |        100        1.00       81.18
         32 |        107        1.07       82.25
         33 |        390        3.90       86.15
         34 |        142        1.42       87.57
         35 |        150        1.50       89.07
         36 |         24        0.24       89.31
         37 |         45        0.45       89.76
         38 |        171        1.71       91.47
         39 |         32        0.32       91.79
         40 |          9        0.09       91.88
         41 |         36        0.36       92.24
         42 |        601        6.01       98.25
         43 |        124        1.24       99.49
         45 |         15        0.15       99.64
         46 |         11        0.11       99.75
         47 |          3        0.03       99.78
         48 |          4        0.04       99.82
         49 |          1        0.01       99.83
         99 |         17        0.17      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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