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

      ROUTE |
    SIGNING |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      1,490       14.90       14.90
          2 |      1,359       13.59       28.49
          3 |      2,553       25.53       54.02
          4 |      1,734       17.34       71.36
          5 |         60        0.60       71.96
          6 |      2,231       22.31       94.27
          7 |         15        0.15       94.42
          8 |        241        2.41       96.83
          9 |        317        3.17      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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