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

RELATION TO |
    ROADWAY |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      6,385       63.85       63.85
          2 |        722        7.22       71.07
          3 |        325        3.25       74.32
          4 |      1,087       10.87       85.19
          5 |        100        1.00       86.19
          6 |      1,265       12.65       98.84
          7 |         33        0.33       99.17
          8 |         32        0.32       99.49
          9 |         51        0.51      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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