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

Relation to |
   Junction |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      7,263       72.63       72.63
          2 |      1,618       16.18       88.81
          3 |        588        5.88       94.69
          4 |        244        2.44       97.13
          5 |        183        1.83       98.96
          6 |         32        0.32       99.28
          7 |         68        0.68       99.96
          8 |          2        0.02       99.98
          9 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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