Frequencies for rel_junc variable in accident dataset :

Relation to |
   Junction |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        513       89.84       89.84
          2 |         41        7.18       97.02
          3 |         14        2.45       99.47
          4 |          2        0.35       99.82
          9 |          1        0.18      100.00
------------+-----------------------------------
      Total |        571      100.00

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