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

Relation to |
   Junction |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      7,036       70.36       70.36
          2 |      2,069       20.69       91.05
          3 |        154        1.54       92.59
          4 |         86        0.86       93.45
          5 |        292        2.92       96.37
          6 |         91        0.91       97.28
          7 |         77        0.77       98.05
          8 |          2        0.02       98.07
          9 |        193        1.93      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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