Frequencies for first 10,000 rows of vnum_lan variable in vehicle dataset :

total lanes |
 in roadway |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         52        0.52        0.52
          1 |        195        1.95        2.47
          2 |      6,476       64.76       67.23
          3 |      1,171       11.71       78.94
          4 |      1,447       14.47       93.41
          5 |        358        3.58       96.99
          6 |        199        1.99       98.98
          7 |         24        0.24       99.22
          8 |         24        0.24       99.46
          9 |         54        0.54      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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