Frequencies for first 10,000 rows of profile variable in accident dataset :

    ROADWAY |
    PROFILE |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      7,552       75.52       75.52
          2 |      2,049       20.49       96.01
          3 |         97        0.97       96.98
          4 |         16        0.16       97.14
          9 |        286        2.86      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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