Frequencies for road_fnc variable in person dataset :

       RDWY |
   FUNCTION |
      CLASS |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |         87        8.08        8.08
          2 |         52        4.83       12.91
          3 |        129       11.98       24.88
          4 |        143       13.28       38.16
          5 |         55        5.11       43.27
          6 |         41        3.81       47.08
         11 |         93        8.64       55.71
         12 |         31        2.88       58.59
         13 |        132       12.26       70.84
         14 |        131       12.16       83.01
         15 |        101        9.38       92.39
         16 |         82        7.61      100.00
------------+-----------------------------------
      Total |      1,077      100.00

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