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

       RDWY |
   FUNCTION |
      CLASS |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        664        6.64        6.64
          2 |        816        8.16       14.80
          3 |        814        8.14       22.94
          4 |        827        8.27       31.21
          5 |        257        2.57       33.78
          6 |      1,015       10.15       43.93
          9 |         49        0.49       44.42
         11 |        798        7.98       52.40
         12 |        599        5.99       58.39
         13 |      1,844       18.44       76.83
         14 |      1,149       11.49       88.32
         15 |        443        4.43       92.75
         16 |        698        6.98       99.73
         19 |         17        0.17       99.90
         99 |         10        0.10      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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