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

RELATION TO |
   JUNCTION |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      7,038       70.38       70.38
          2 |      1,803       18.03       88.41
          3 |        527        5.27       93.68
          4 |         99        0.99       94.67
          5 |         52        0.52       95.19
          6 |         63        0.63       95.82
          7 |          5        0.05       95.87
          9 |         44        0.44       96.31
         10 |         87        0.87       97.18
         11 |         10        0.10       97.28
         12 |         11        0.11       97.39
         13 |        113        1.13       98.52
         14 |          1        0.01       98.53
         15 |        145        1.45       99.98
         19 |          1        0.01       99.99
         99 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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