Frequencies for rel_junc variable in accident dataset :

Relation to |
   Junction |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        401       82.51       82.51
          2 |         65       13.37       95.88
          3 |         17        3.50       99.38
          4 |          2        0.41       99.79
          5 |          1        0.21      100.00
------------+-----------------------------------
      Total |        486      100.00

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