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

      FIRST |
    HARMFUL |
      EVENT |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      1,110       11.10       11.10
          2 |          4        0.04       11.14
          3 |         22        0.22       11.36
          5 |         71        0.71       12.07
          7 |         17        0.17       12.24
          8 |      1,730       17.30       29.54
          9 |        306        3.06       32.60
         10 |         78        0.78       33.38
         11 |         27        0.27       33.65
         12 |      3,637       36.37       70.02
         13 |        135        1.35       71.37
         14 |        158        1.58       72.95
         15 |         21        0.21       73.16
         16 |          3        0.03       73.19
         17 |         33        0.33       73.52
         18 |         35        0.35       73.87
         19 |         24        0.24       74.11
         20 |          4        0.04       74.15
         21 |         26        0.26       74.41
         22 |         31        0.31       74.72
         23 |         40        0.40       75.12
         24 |        222        2.22       77.34
         25 |         64        0.64       77.98
         26 |         10        0.10       78.08
         27 |        100        1.00       79.08
         28 |          2        0.02       79.10
         29 |         31        0.31       79.41
         30 |        239        2.39       81.80
         31 |         93        0.93       82.73
         32 |         84        0.84       83.57
         33 |        331        3.31       86.88
         34 |        159        1.59       88.47
         35 |        141        1.41       89.88
         36 |         30        0.30       90.18
         37 |         81        0.81       90.99
         38 |        119        1.19       92.18
         39 |         36        0.36       92.54
         40 |          3        0.03       92.57
         41 |         31        0.31       92.88
         42 |        551        5.51       98.39
         43 |        159        1.59       99.98
         99 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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