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

    Roadway |
    Profile |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      7,523       75.23       75.23
          2 |      2,252       22.52       97.75
          9 |        225        2.25      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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