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

RELATION TO |
   JUNCTION |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      7,103       71.03       71.03
          2 |      1,845       18.45       89.48
          3 |        496        4.96       94.44
          4 |        105        1.05       95.49
          5 |         57        0.57       96.06
          6 |         61        0.61       96.67
          7 |         11        0.11       96.78
          9 |         58        0.58       97.36
         10 |         23        0.23       97.59
         11 |          8        0.08       97.67
         13 |        105        1.05       98.72
         14 |          1        0.01       98.73
         15 |        125        1.25       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