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

Relation to |
   Junction |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      6,994       69.94       69.94
          2 |      1,781       17.81       87.75
          3 |        576        5.76       93.51
          4 |        208        2.08       95.59
          5 |        328        3.28       98.87
          6 |         38        0.38       99.25
          7 |         62        0.62       99.87
          8 |          3        0.03       99.90
          9 |         10        0.10      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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