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

    ROADWAY |
    PROFILE |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      7,361       73.61       73.61
          2 |      2,185       21.85       95.46
          3 |         82        0.82       96.28
          4 |         16        0.16       96.44
          9 |        356        3.56      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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