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

    INITIAL |
     IMPACT |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        665        6.65        6.65
          1 |        599        5.99       12.64
          2 |        215        2.15       14.79
          3 |        490        4.90       19.69
          4 |        101        1.01       20.70
          5 |         81        0.81       21.51
          6 |        420        4.20       25.71
          7 |        135        1.35       27.06
          8 |        119        1.19       28.25
          9 |        625        6.25       34.50
         10 |        230        2.30       36.80
         11 |        718        7.18       43.98
         12 |      4,905       49.05       93.03
         13 |         36        0.36       93.39
         14 |        388        3.88       97.27
         99 |        273        2.73      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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