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

Relation to |
   Junction |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      7,172       71.72       71.72
          2 |      1,719       17.19       88.91
          3 |        569        5.69       94.60
          4 |        261        2.61       97.21
          5 |        146        1.46       98.67
          6 |         27        0.27       98.94
          7 |         94        0.94       99.88
          8 |          2        0.02       99.90
          9 |         10        0.10      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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