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

       RDWY |
   FUNCTION |
      CLASS |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        866        8.66        8.66
          2 |      1,567       15.67       24.33
          3 |        659        6.59       30.92
          4 |      1,000       10.00       40.92
          5 |        263        2.63       43.55
          6 |        831        8.31       51.86
          9 |         23        0.23       52.09
         11 |        727        7.27       59.36
         12 |        851        8.51       67.87
         13 |      1,238       12.38       80.25
         14 |        969        9.69       89.94
         15 |        420        4.20       94.14
         16 |        579        5.79       99.93
         19 |          4        0.04       99.97
         99 |          3        0.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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