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

Relation to |
    Roadway |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      6,002       60.02       60.02
          2 |        821        8.21       68.23
          3 |        320        3.20       71.43
          4 |      2,043       20.43       91.86
          5 |        192        1.92       93.78
          6 |        419        4.19       97.97
          7 |          7        0.07       98.04
          9 |        196        1.96      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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