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

      ROUTE |
    SIGNING |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      1,466       14.66       14.66
          2 |      1,402       14.02       28.68
          3 |      2,545       25.45       54.13
          4 |      1,673       16.73       70.86
          5 |         38        0.38       71.24
          6 |      2,332       23.32       94.56
          7 |         10        0.10       94.66
          8 |        457        4.57       99.23
          9 |         77        0.77      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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