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

      route |
    signing |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      1,254       12.54       12.54
          2 |      1,268       12.68       25.22
          3 |      2,696       26.96       52.18
          4 |      1,534       15.34       67.52
          5 |        235        2.35       69.87
          6 |      2,528       25.28       95.15
          7 |          5        0.05       95.20
          8 |        373        3.73       98.93
          9 |        107        1.07      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Oct 2016