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

      State |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      1,196       11.96       11.96
          2 |        152        1.52       13.48
          4 |        884        8.84       22.32
          5 |        641        6.41       28.73
          6 |      5,499       54.99       83.72
          8 |        721        7.21       90.93
          9 |        510        5.10       96.03
         10 |        150        1.50       97.53
         11 |         64        0.64       98.17
         12 |        183        1.83      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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