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

    ROADWAY |
    PROFILE |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      7,558       75.58       75.58
          2 |      2,123       21.23       96.81
          3 |        125        1.25       98.06
          4 |         28        0.28       98.34
          9 |        166        1.66      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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