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

Relation to |
    Roadway |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      6,254       62.54       62.54
          2 |        696        6.96       69.50
          3 |        329        3.29       72.79
          4 |      1,175       11.75       84.54
          5 |        265        2.65       87.19
          6 |      1,224       12.24       99.43
          7 |         20        0.20       99.63
          8 |         26        0.26       99.89
          9 |         11        0.11      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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