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

Relation to |
    Roadway |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      6,021       60.21       60.21
          2 |        930        9.30       69.51
          3 |        301        3.01       72.52
          4 |      2,399       23.99       96.51
          5 |        163        1.63       98.14
          6 |        159        1.59       99.73
          7 |          9        0.09       99.82
          9 |         18        0.18      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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