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

Relation to |
   Junction |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      7,236       72.36       72.36
          2 |      1,946       19.46       91.82
          3 |        176        1.76       93.58
          4 |        158        1.58       95.16
          5 |        329        3.29       98.45
          6 |         70        0.70       99.15
          7 |         65        0.65       99.80
          8 |          6        0.06       99.86
          9 |         14        0.14      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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