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

  number of |
wheels/driv |
  er wheels |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      7,144       71.44       71.44
         42 |      1,463       14.63       86.07
         44 |        916        9.16       95.23
         64 |        475        4.75       99.98
         84 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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