Frequencies for road_fnc variable in accident dataset :

    Roadway |
   Function |
      Class |      Freq.     Percent        Cum.
------------+-----------------------------------
          2 |         33        6.79        6.79
          3 |        210       43.21       50.00
          4 |         12        2.47       52.47
          5 |         17        3.50       55.97
          6 |         49       10.08       66.05
          7 |         15        3.09       69.14
          8 |        150       30.86      100.00
------------+-----------------------------------
      Total |        486      100.00

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