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

      First |
    Harmful |
      Event |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      1,042       10.42       10.42
          2 |          1        0.01       10.43
          3 |         37        0.37       10.80
          4 |          1        0.01       10.81
          5 |         98        0.98       11.79
          6 |          2        0.02       11.81
          7 |         46        0.46       12.27
          8 |      1,889       18.89       31.16
          9 |        249        2.49       33.65
         10 |         57        0.57       34.22
         11 |         18        0.18       34.40
         12 |      3,614       36.14       70.54
         13 |        118        1.18       71.72
         14 |        186        1.86       73.58
         15 |          6        0.06       73.64
         16 |          3        0.03       73.67
         17 |         37        0.37       74.04
         18 |         42        0.42       74.46
         19 |         22        0.22       74.68
         20 |          2        0.02       74.70
         21 |         76        0.76       75.46
         22 |         24        0.24       75.70
         23 |         32        0.32       76.02
         24 |        262        2.62       78.64
         25 |         67        0.67       79.31
         26 |         23        0.23       79.54
         27 |         81        0.81       80.35
         28 |          2        0.02       80.37
         29 |         24        0.24       80.61
         30 |        263        2.63       83.24
         31 |        108        1.08       84.32
         32 |         87        0.87       85.19
         33 |        283        2.83       88.02
         34 |        130        1.30       89.32
         35 |        151        1.51       90.83
         36 |         43        0.43       91.26
         37 |         83        0.83       92.09
         38 |        118        1.18       93.27
         39 |         32        0.32       93.59
         40 |          3        0.03       93.62
         41 |         23        0.23       93.85
         42 |        472        4.72       98.57
         43 |        132        1.32       99.89
         44 |          6        0.06       99.95
         99 |          5        0.05      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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