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

    Roadway |
   Function |
      Class |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        969        9.69        9.69
          2 |        673        6.73       16.42
          3 |      2,947       29.47       45.89
          4 |      1,755       17.55       63.44
          5 |        546        5.46       68.90
          6 |        997        9.97       78.87
          7 |        347        3.47       82.34
          8 |      1,552       15.52       97.86
          9 |        214        2.14      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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