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

    INITIAL |
     IMPACT |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        533        5.33        5.33
          1 |        382        3.82        9.15
          2 |        146        1.46       10.61
          3 |        519        5.19       15.80
          4 |         74        0.74       16.54
          5 |        102        1.02       17.56
          6 |        531        5.31       22.87
          7 |        128        1.28       24.15
          8 |        124        1.24       25.39
          9 |        633        6.33       31.72
         10 |        197        1.97       33.69
         11 |        448        4.48       38.17
         12 |      5,264       52.64       90.81
         13 |         67        0.67       91.48
         14 |        396        3.96       95.44
         18 |         36        0.36       95.80
         99 |        420        4.20      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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