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

RELATION TO |
   JUNCTION |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      6,961       69.61       69.61
          2 |      1,859       18.59       88.20
          3 |        536        5.36       93.56
          4 |         77        0.77       94.33
          5 |         70        0.70       95.03
          6 |         37        0.37       95.40
          7 |          7        0.07       95.47
          8 |        145        1.45       96.92
          9 |         29        0.29       97.21
         10 |         35        0.35       97.56
         11 |         17        0.17       97.73
         12 |         12        0.12       97.85
         13 |        120        1.20       99.05
         14 |          5        0.05       99.10
         15 |         88        0.88       99.98
         99 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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