Frequencies for road_fnc variable in accident dataset :

    Roadway |
   Function |
      Class |      Freq.     Percent        Cum.
------------+-----------------------------------
          2 |        116       20.32       20.32
          3 |         13        2.28       22.59
          4 |        107       18.74       41.33
          5 |         73       12.78       54.12
          6 |          8        1.40       55.52
         12 |         59       10.33       65.85
         13 |        136       23.82       89.67
         14 |         14        2.45       92.12
         15 |         14        2.45       94.57
         16 |         30        5.25       99.82
         99 |          1        0.18      100.00
------------+-----------------------------------
      Total |        571      100.00

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