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

    INITIAL |
     IMPACT |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        684        6.84        6.84
          1 |        325        3.25       10.09
          2 |        232        2.32       12.41
          3 |        533        5.33       17.74
          4 |         76        0.76       18.50
          5 |        103        1.03       19.53
          6 |        442        4.42       23.95
          7 |        131        1.31       25.26
          8 |         80        0.80       26.06
          9 |        647        6.47       32.53
         10 |        155        1.55       34.08
         11 |        584        5.84       39.92
         12 |      5,166       51.66       91.58
         13 |         39        0.39       91.97
         14 |        500        5.00       96.97
         99 |        303        3.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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