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

Relation to |
   Junction |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      7,164       71.64       71.64
          2 |      1,730       17.30       88.94
          3 |        551        5.51       94.45
          4 |        242        2.42       96.87
          5 |        201        2.01       98.88
          6 |         32        0.32       99.20
          7 |         75        0.75       99.95
          8 |          3        0.03       99.98
          9 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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