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

    INITIAL |
     IMPACT |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        676        6.76        6.76
          1 |        349        3.49       10.25
          2 |        186        1.86       12.11
          3 |        492        4.92       17.03
          4 |         86        0.86       17.89
          5 |        100        1.00       18.89
          6 |        552        5.52       24.41
          7 |        129        1.29       25.70
          8 |        103        1.03       26.73
          9 |        710        7.10       33.83
         10 |        168        1.68       35.51
         11 |        550        5.50       41.01
         12 |      5,133       51.33       92.34
         13 |         35        0.35       92.69
         14 |        396        3.96       96.65
         99 |        335        3.35      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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