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

      state |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      1,365       13.65       13.65
          2 |        129        1.29       14.94
          4 |      1,436       14.36       29.30
          5 |        802        8.02       37.32
          6 |      5,337       53.37       90.69
          8 |        931        9.31      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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