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

    INITIAL |
     IMPACT |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        688        6.88        6.88
          1 |        327        3.27       10.15
          2 |        222        2.22       12.37
          3 |        495        4.95       17.32
          4 |         91        0.91       18.23
          5 |        102        1.02       19.25
          6 |        481        4.81       24.06
          7 |        126        1.26       25.32
          8 |         90        0.90       26.22
          9 |        623        6.23       32.45
         10 |        150        1.50       33.95
         11 |        547        5.47       39.42
         12 |      5,317       53.17       92.59
         13 |         29        0.29       92.88
         14 |        394        3.94       96.82
         99 |        318        3.18      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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