Frequencies for first 10,000 rows of impact2 variable in vehicle dataset :

    Area of |
    Impact- |
       Most |
    Damaged |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        850        8.50        8.50
          1 |        192        1.92       10.42
          2 |         99        0.99       11.41
          3 |        233        2.33       13.74
          4 |         53        0.53       14.27
          5 |         47        0.47       14.74
          6 |        462        4.62       19.36
          7 |         53        0.53       19.89
          8 |         41        0.41       20.30
          9 |        291        2.91       23.21
         10 |        105        1.05       24.26
         11 |        185        1.85       26.11
         12 |      4,353       43.53       69.64
         13 |         86        0.86       70.50
         14 |        171        1.71       72.21
         18 |         14        0.14       72.35
         61 |        278        2.78       75.13
         62 |        106        1.06       76.19
         63 |         46        0.46       76.65
         81 |        219        2.19       78.84
         82 |         84        0.84       79.68
         83 |         48        0.48       80.16
         98 |      1,719       17.19       97.35
         99 |        265        2.65      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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