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

RELATION TO |
   JUNCTION |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      6,926       69.26       69.26
          2 |      1,939       19.39       88.65
          3 |        530        5.30       93.95
          4 |        174        1.74       95.69
          5 |         44        0.44       96.13
          6 |         86        0.86       96.99
          7 |          4        0.04       97.03
          9 |          1        0.01       97.04
         10 |         28        0.28       97.32
         11 |         21        0.21       97.53
         12 |         13        0.13       97.66
         13 |         95        0.95       98.61
         15 |        129        1.29       99.90
         99 |         10        0.10      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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