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

Relation to |
    Roadway |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      6,294       62.94       62.94
          2 |        600        6.00       68.94
          3 |        368        3.68       72.62
          4 |      1,377       13.77       86.39
          5 |        127        1.27       87.66
          6 |      1,177       11.77       99.43
          7 |         15        0.15       99.58
          8 |         32        0.32       99.90
          9 |         10        0.10      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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