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

       Most |
    Harmful |
      Event |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      1,497       14.97       14.97
          2 |         91        0.91       15.88
          3 |         43        0.43       16.31
          5 |         59        0.59       16.90
          6 |          1        0.01       16.91
          7 |          3        0.03       16.94
          8 |      1,334       13.34       30.28
          9 |        246        2.46       32.74
         10 |         18        0.18       32.92
         11 |         12        0.12       33.04
         12 |      5,049       50.49       83.53
         14 |         54        0.54       84.07
         15 |         48        0.48       84.55
         16 |          5        0.05       84.60
         17 |         17        0.17       84.77
         18 |         28        0.28       85.05
         19 |         26        0.26       85.31
         20 |          3        0.03       85.34
         21 |         16        0.16       85.50
         23 |         16        0.16       85.66
         24 |         84        0.84       86.50
         25 |         37        0.37       86.87
         30 |        165        1.65       88.52
         31 |         21        0.21       88.73
         32 |         19        0.19       88.92
         33 |         25        0.25       89.17
         34 |         33        0.33       89.50
         35 |         64        0.64       90.14
         38 |         29        0.29       90.43
         39 |         32        0.32       90.75
         40 |          1        0.01       90.76
         41 |          4        0.04       90.80
         42 |        666        6.66       97.46
         43 |         40        0.40       97.86
         45 |          4        0.04       97.90
         46 |         20        0.20       98.10
         49 |          2        0.02       98.12
         50 |          2        0.02       98.14
         52 |         13        0.13       98.27
         53 |          5        0.05       98.32
         54 |         91        0.91       99.23
         55 |          2        0.02       99.25
         57 |          2        0.02       99.27
         58 |         12        0.12       99.39
         59 |         34        0.34       99.73
         99 |         27        0.27      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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