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

Relation to |
    Roadway |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      6,216       62.16       62.16
          2 |        495        4.95       67.11
          3 |        415        4.15       71.26
          4 |      1,545       15.45       86.71
          5 |        120        1.20       87.91
          6 |      1,150       11.50       99.41
          7 |          6        0.06       99.47
          8 |         43        0.43       99.90
          9 |         10        0.10      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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