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

RELATION TO |
   JUNCTION |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      6,818       68.18       68.18
          2 |      1,831       18.31       86.49
          3 |        642        6.42       92.91
          4 |        111        1.11       94.02
          5 |         31        0.31       94.33
          6 |         43        0.43       94.76
          7 |          7        0.07       94.83
          8 |        106        1.06       95.89
          9 |         54        0.54       96.43
         10 |         31        0.31       96.74
         11 |         43        0.43       97.17
         12 |          3        0.03       97.20
         13 |         96        0.96       98.16
         14 |          2        0.02       98.18
         15 |        170        1.70       99.88
         19 |          1        0.01       99.89
         99 |         11        0.11      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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