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

RELATION TO |
    ROADWAY |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      6,215       62.15       62.15
          2 |        796        7.96       70.11
          3 |        381        3.81       73.92
          4 |        948        9.48       83.40
          5 |         61        0.61       84.01
          6 |      1,447       14.47       98.48
          7 |         31        0.31       98.79
          8 |         34        0.34       99.13
          9 |         87        0.87      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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