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

total lanes |
 in roadway |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         63        0.63        0.63
          1 |        186        1.86        2.49
          2 |      6,277       62.77       65.26
          3 |      1,209       12.09       77.35
          4 |      1,542       15.42       92.77
          5 |        388        3.88       96.65
          6 |        240        2.40       99.05
          7 |         29        0.29       99.34
          8 |         20        0.20       99.54
          9 |         46        0.46      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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