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

    Roadway |
   Function |
      Class |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      1,064       10.64       10.64
          2 |        328        3.28       13.92
          3 |      2,928       29.28       43.20
          4 |      1,938       19.38       62.58
          5 |        317        3.17       65.75
          6 |      1,319       13.19       78.94
          7 |        352        3.52       82.46
          8 |      1,746       17.46       99.92
          9 |          8        0.08      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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