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

    ROADWAY |
    PROFILE |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      7,429       74.29       74.29
          2 |      2,193       21.93       96.22
          3 |        118        1.18       97.40
          4 |         28        0.28       97.68
          9 |        232        2.32      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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