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

      state |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      1,465       14.65       14.65
          2 |         86        0.86       15.51
          4 |      1,291       12.91       28.42
          5 |        836        8.36       36.78
          6 |      4,762       47.62       84.40
          8 |        848        8.48       92.88
          9 |        455        4.55       97.43
         10 |        170        1.70       99.13
         11 |         81        0.81       99.94
         12 |          6        0.06      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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