Frequencies for rel_road variable in accident dataset :

Relation to |
    Roadway |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        334       68.72       68.72
          2 |         32        6.58       75.31
          3 |         11        2.26       77.57
          4 |         81       16.67       94.24
          5 |         15        3.09       97.33
          6 |          7        1.44       98.77
          7 |          2        0.41       99.18
          8 |          1        0.21       99.38
          9 |          3        0.62      100.00
------------+-----------------------------------
      Total |        486      100.00

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