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

    Roadway |
   Function |
      Class |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      1,006       10.06       10.06
          2 |        633        6.33       16.39
          3 |      2,738       27.38       43.77
          4 |      1,944       19.44       63.21
          5 |        413        4.13       67.34
          6 |      1,083       10.83       78.17
          7 |        295        2.95       81.12
          8 |      1,876       18.76       99.88
          9 |         12        0.12      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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