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

RELATION TO |
   JUNCTION |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      6,953       69.53       69.53
          2 |      1,744       17.44       86.97
          3 |        566        5.66       92.63
          4 |        114        1.14       93.77
          5 |         59        0.59       94.36
          6 |         39        0.39       94.75
          7 |          6        0.06       94.81
          8 |        139        1.39       96.20
          9 |         27        0.27       96.47
         10 |         49        0.49       96.96
         11 |         20        0.20       97.16
         12 |          3        0.03       97.19
         13 |        140        1.40       98.59
         14 |          3        0.03       98.62
         15 |         86        0.86       99.48
         19 |          8        0.08       99.56
         99 |         44        0.44      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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