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

    INITIAL |
     IMPACT |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        598        5.98        5.98
          1 |        316        3.16        9.14
          2 |        233        2.33       11.47
          3 |        499        4.99       16.46
          4 |         79        0.79       17.25
          5 |         84        0.84       18.09
          6 |        463        4.63       22.72
          7 |        126        1.26       23.98
          8 |         90        0.90       24.88
          9 |        610        6.10       30.98
         10 |        155        1.55       32.53
         11 |        583        5.83       38.36
         12 |      5,279       52.79       91.15
         13 |         28        0.28       91.43
         14 |        468        4.68       96.11
         99 |        389        3.89      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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