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

      first |
    harmful |
      event |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      1,011       10.11       10.11
          2 |          3        0.03       10.14
          3 |         15        0.15       10.29
          4 |          1        0.01       10.30
          5 |         72        0.72       11.02
          7 |         10        0.10       11.12
          8 |      1,694       16.94       28.06
          9 |        341        3.41       31.47
         10 |         31        0.31       31.78
         11 |         36        0.36       32.14
         12 |      3,493       34.93       67.07
         14 |        120        1.20       68.27
         15 |         77        0.77       69.04
         16 |          2        0.02       69.06
         17 |         31        0.31       69.37
         18 |         45        0.45       69.82
         19 |         19        0.19       70.01
         20 |          7        0.07       70.08
         21 |         33        0.33       70.41
         23 |         27        0.27       70.68
         24 |        209        2.09       72.77
         25 |        100        1.00       73.77
         26 |          6        0.06       73.83
         30 |        216        2.16       75.99
         31 |         93        0.93       76.92
         32 |        126        1.26       78.18
         33 |        318        3.18       81.36
         34 |        243        2.43       83.79
         35 |        245        2.45       86.24
         38 |        126        1.26       87.50
         39 |         43        0.43       87.93
         40 |          5        0.05       87.98
         41 |         20        0.20       88.18
         42 |        739        7.39       95.57
         43 |        106        1.06       96.63
         44 |          4        0.04       96.67
         45 |          2        0.02       96.69
         46 |         19        0.19       96.88
         48 |          1        0.01       96.89
         49 |          1        0.01       96.90
         50 |          1        0.01       96.91
         51 |          2        0.02       96.93
         52 |         39        0.39       97.32
         53 |         85        0.85       98.17
         54 |         10        0.10       98.27
         57 |          9        0.09       98.36
         58 |         28        0.28       98.64
         59 |        122        1.22       99.86
         72 |          2        0.02       99.88
         99 |         12        0.12      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Oct 2016