Frequencies for rel_road variable in accident dataset :

Relation to |
    Roadway |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        297       60.74       60.74
          2 |         74       15.13       75.87
          3 |         10        2.04       77.91
          4 |         73       14.93       92.84
          5 |         30        6.13       98.98
          6 |          2        0.41       99.39
          9 |          3        0.61      100.00
------------+-----------------------------------
      Total |        489      100.00

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