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

Relation to |
   Junction |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      7,510       75.10       75.10
          2 |      2,011       20.11       95.21
          3 |        147        1.47       96.68
          4 |         67        0.67       97.35
          5 |        255        2.55       99.90
          9 |         10        0.10      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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