Frequencies for impact1 variable in vehnit dataset :

    INITIAL |
     IMPACT |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |         22        1.66        1.66
          2 |         17        1.28        2.94
          3 |         66        4.97        7.91
          4 |         20        1.51        9.41
          5 |         45        3.39       12.80
          6 |        522       39.31       52.11
          7 |         83        6.25       58.36
          8 |         32        2.41       60.77
          9 |        127        9.56       70.33
         10 |         53        3.99       74.32
         11 |         52        3.92       78.24
         12 |        207       15.59       93.83
         13 |         26        1.96       95.78
         14 |          2        0.15       95.93
         18 |          3        0.23       96.16
         99 |         51        3.84      100.00
------------+-----------------------------------
      Total |      1,328      100.00

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