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

Relation to |
   Junction |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      7,102       71.02       71.02
          2 |      1,799       17.99       89.01
          3 |        368        3.68       92.69
          4 |        202        2.02       94.71
          5 |        409        4.09       98.80
          6 |         50        0.50       99.30
          7 |         61        0.61       99.91
          8 |          5        0.05       99.96
          9 |          4        0.04      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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