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

Relation to |
    Roadway |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      6,141       61.41       61.41
          2 |        587        5.87       67.28
          3 |        370        3.70       70.98
          4 |      1,338       13.38       84.36
          5 |        151        1.51       85.87
          6 |      1,354       13.54       99.41
          7 |         14        0.14       99.55
          8 |         35        0.35       99.90
          9 |         10        0.10      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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