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

       MOST |
    HARMFUL |
      EVENT |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      1,652       16.52       16.52
          2 |        109        1.09       17.61
          3 |         51        0.51       18.12
          5 |         29        0.29       18.41
          6 |          1        0.01       18.42
          7 |          7        0.07       18.49
          8 |      1,092       10.92       29.41
          9 |        180        1.80       31.21
         10 |         21        0.21       31.42
         11 |         18        0.18       31.60
         12 |      5,084       50.84       82.44
         13 |         73        0.73       83.17
         14 |         72        0.72       83.89
         15 |         43        0.43       84.32
         16 |          2        0.02       84.34
         17 |         27        0.27       84.61
         18 |         36        0.36       84.97
         19 |         25        0.25       85.22
         20 |          3        0.03       85.25
         21 |         24        0.24       85.49
         22 |          4        0.04       85.53
         23 |         12        0.12       85.65
         24 |         69        0.69       86.34
         25 |         46        0.46       86.80
         26 |          2        0.02       86.82
         27 |         27        0.27       87.09
         28 |          6        0.06       87.15
         29 |         42        0.42       87.57
         30 |        166        1.66       89.23
         31 |         17        0.17       89.40
         32 |         24        0.24       89.64
         33 |         22        0.22       89.86
         34 |         29        0.29       90.15
         35 |         38        0.38       90.53
         36 |          7        0.07       90.60
         37 |         15        0.15       90.75
         38 |         40        0.40       91.15
         39 |         45        0.45       91.60
         40 |          1        0.01       91.61
         42 |        604        6.04       97.65
         43 |         27        0.27       97.92
         45 |          3        0.03       97.95
         46 |         27        0.27       98.22
         47 |          5        0.05       98.27
         49 |          3        0.03       98.30
         50 |          1        0.01       98.31
         51 |          2        0.02       98.33
         52 |         11        0.11       98.44
         53 |          8        0.08       98.52
         54 |        134        1.34       99.86
         57 |          2        0.02       99.88
         99 |         12        0.12      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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