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

      state |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      1,555       15.55       15.55
          2 |        105        1.05       16.60
          4 |      1,313       13.13       29.73
          5 |        793        7.93       37.66
          6 |      5,401       54.01       91.67
          8 |        805        8.05       99.72
          9 |         28        0.28      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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