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

Relation to |
   Junction |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      7,432       74.32       74.32
          2 |      1,954       19.54       93.86
          3 |        138        1.38       95.24
          4 |        164        1.64       96.88
          5 |        282        2.82       99.70
          9 |         30        0.30      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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