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

    Roadway |
   Function |
      Class |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      1,054       10.54       10.54
          2 |        406        4.06       14.60
          3 |      2,687       26.87       41.47
          4 |      2,021       20.21       61.68
          5 |        362        3.62       65.30
          6 |      1,280       12.80       78.10
          7 |        191        1.91       80.01
          8 |      1,987       19.87       99.88
          9 |         12        0.12      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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