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

Relation to |
   Junction |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      7,294       72.94       72.94
          2 |      2,034       20.34       93.28
          3 |        124        1.24       94.52
          4 |         70        0.70       95.22
          5 |        268        2.68       97.90
          6 |        107        1.07       98.97
          7 |         85        0.85       99.82
          8 |          4        0.04       99.86
          9 |         14        0.14      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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