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

RELATION TO |
   JUNCTION |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      7,049       70.49       70.49
          2 |      1,799       17.99       88.48
          3 |        584        5.84       94.32
          4 |         90        0.90       95.22
          5 |         57        0.57       95.79
          6 |         60        0.60       96.39
          7 |          2        0.02       96.41
          9 |         47        0.47       96.88
         10 |         23        0.23       97.11
         11 |          7        0.07       97.18
         12 |          4        0.04       97.22
         13 |        130        1.30       98.52
         14 |          1        0.01       98.53
         15 |        139        1.39       99.92
         19 |          1        0.01       99.93
         99 |          7        0.07      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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