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

      route |
    signing |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      1,278       12.78       12.78
          2 |      1,191       11.91       24.69
          3 |      2,535       25.35       50.04
          4 |      1,572       15.72       65.76
          5 |        110        1.10       66.86
          6 |      3,013       30.13       96.99
          7 |          8        0.08       97.07
          8 |        172        1.72       98.79
          9 |        121        1.21      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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