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

      ROUTE |
    SIGNING |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      1,479       14.79       14.79
          2 |      1,322       13.22       28.01
          3 |      2,566       25.66       53.67
          4 |      1,869       18.69       72.36
          5 |         58        0.58       72.94
          6 |      2,393       23.93       96.87
          7 |         18        0.18       97.05
          8 |        150        1.50       98.55
          9 |        145        1.45      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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