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

    INITIAL |
     IMPACT |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        782        7.82        7.82
          1 |        400        4.00       11.82
          2 |        120        1.20       13.02
          3 |        529        5.29       18.31
          4 |         66        0.66       18.97
          5 |        113        1.13       20.10
          6 |        543        5.43       25.53
          7 |        150        1.50       27.03
          8 |         94        0.94       27.97
          9 |        693        6.93       34.90
         10 |        178        1.78       36.68
         11 |        382        3.82       40.50
         12 |      5,164       51.64       92.14
         13 |         28        0.28       92.42
         14 |        399        3.99       96.41
         99 |        359        3.59      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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