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

      route |
    signing |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      1,209       12.09       12.09
          2 |      1,237       12.37       24.46
          3 |      2,673       26.73       51.19
          4 |      1,426       14.26       65.45
          5 |        163        1.63       67.08
          6 |      2,676       26.76       93.84
          7 |         17        0.17       94.01
          8 |        173        1.73       95.74
          9 |        426        4.26      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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