Frequencies for first 10,000 rows of impact1 variable in vehicle dataset :

    INITIAL |
     IMPACT |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        662        6.62        6.62
          1 |        749        7.49       14.11
          2 |        211        2.11       16.22
          3 |        576        5.76       21.98
          4 |        103        1.03       23.01
          5 |         95        0.95       23.96
          6 |        335        3.35       27.31
          7 |        119        1.19       28.50
          8 |        132        1.32       29.82
          9 |        679        6.79       36.61
         10 |        270        2.70       39.31
         11 |        908        9.08       48.39
         12 |      4,536       45.36       93.75
         13 |         46        0.46       94.21
         14 |        441        4.41       98.62
         15 |          7        0.07       98.69
         99 |        131        1.31      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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