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

    Roadway |
   Function |
      Class |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        864        8.64        8.64
          2 |      1,616       16.16       24.80
          3 |        665        6.65       31.45
          4 |      1,039       10.39       41.84
          5 |        209        2.09       43.93
          6 |        652        6.52       50.45
          9 |         12        0.12       50.57
         11 |        746        7.46       58.03
         12 |      1,057       10.57       68.60
         13 |      1,259       12.59       81.19
         14 |        958        9.58       90.77
         15 |        440        4.40       95.17
         16 |        470        4.70       99.87
         19 |          2        0.02       99.89
         99 |         11        0.11      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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