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

    roadway |
   function |
      class |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        780        7.80        7.80
          2 |      1,426       14.26       22.06
          3 |        927        9.27       31.33
          4 |      1,059       10.59       41.92
          5 |        185        1.85       43.77
          6 |        477        4.77       48.54
          9 |         81        0.81       49.35
         11 |        801        8.01       57.36
         12 |        730        7.30       64.66
         13 |      1,422       14.22       78.88
         14 |      1,208       12.08       90.96
         15 |        443        4.43       95.39
         16 |        452        4.52       99.91
         19 |          2        0.02       99.93
         99 |          7        0.07      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Oct 2016