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

    Roadway |
    Profile |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      5,792       57.92       57.92
          2 |      1,309       13.09       71.01
          9 |      2,899       28.99      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Apr 2016