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

Relation to |
   Junction |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      7,157       71.57       71.57
          2 |      1,709       17.09       88.66
          3 |        636        6.36       95.02
          4 |        216        2.16       97.18
          5 |        158        1.58       98.76
          6 |         31        0.31       99.07
          7 |         90        0.90       99.97
          8 |          2        0.02       99.99
          9 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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