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

RELATION TO |
   JUNCTION |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      7,110       71.10       71.10
          2 |      1,791       17.91       89.01
          3 |        546        5.46       94.47
          4 |        125        1.25       95.72
          5 |         40        0.40       96.12
          6 |         89        0.89       97.01
          7 |          3        0.03       97.04
          9 |          3        0.03       97.07
         10 |         42        0.42       97.49
         11 |         22        0.22       97.71
         12 |          9        0.09       97.80
         13 |         92        0.92       98.72
         15 |        125        1.25       99.97
         99 |          3        0.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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