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

       RDWY |
   FUNCTION |
      CLASS |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        895        8.95        8.95
          2 |      1,252       12.52       21.47
          3 |      1,117       11.17       32.64
          4 |      1,285       12.85       45.49
          5 |        208        2.08       47.57
          6 |        916        9.16       56.73
         11 |        413        4.13       60.86
         12 |        308        3.08       63.94
         13 |      1,807       18.07       82.01
         14 |        924        9.24       91.25
         15 |        221        2.21       93.46
         16 |        654        6.54      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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