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

      state |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      1,364       13.64       13.64
          2 |        122        1.22       14.86
          4 |      1,035       10.35       25.21
          5 |        782        7.82       33.03
          6 |      5,473       54.73       87.76
          8 |        744        7.44       95.20
          9 |        467        4.67       99.87
         10 |         13        0.13      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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