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

      First |
    Harmful |
      Event |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      1,001       10.01       10.01
          2 |          3        0.03       10.04
          3 |         19        0.19       10.23
          5 |         67        0.67       10.90
          6 |          1        0.01       10.91
          7 |          7        0.07       10.98
          8 |      1,669       16.69       27.67
          9 |        329        3.29       30.96
         10 |         29        0.29       31.25
         11 |         42        0.42       31.67
         12 |      3,495       34.95       66.62
         14 |         98        0.98       67.60
         15 |         67        0.67       68.27
         16 |         10        0.10       68.37
         17 |         19        0.19       68.56
         18 |         57        0.57       69.13
         19 |         26        0.26       69.39
         20 |         11        0.11       69.50
         21 |         31        0.31       69.81
         23 |         26        0.26       70.07
         24 |        208        2.08       72.15
         25 |         78        0.78       72.93
         26 |          4        0.04       72.97
         30 |        188        1.88       74.85
         31 |         96        0.96       75.81
         32 |        117        1.17       76.98
         33 |        392        3.92       80.90
         34 |        306        3.06       83.96
         35 |        259        2.59       86.55
         38 |        137        1.37       87.92
         39 |         34        0.34       88.26
         40 |          4        0.04       88.30
         41 |         32        0.32       88.62
         42 |        707        7.07       95.69
         43 |        105        1.05       96.74
         44 |          6        0.06       96.80
         45 |          6        0.06       96.86
         46 |         11        0.11       96.97
         48 |          6        0.06       97.03
         49 |          2        0.02       97.05
         50 |          2        0.02       97.07
         51 |          1        0.01       97.08
         52 |         43        0.43       97.51
         53 |         61        0.61       98.12
         54 |          9        0.09       98.21
         55 |          1        0.01       98.22
         57 |          2        0.02       98.24
         58 |         19        0.19       98.43
         59 |        138        1.38       99.81
         99 |         19        0.19      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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