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

      State |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      1,129       11.29       11.29
          2 |        153        1.53       12.82
          4 |        861        8.61       21.43
          5 |        687        6.87       28.30
          6 |      5,208       52.08       80.38
          8 |        686        6.86       87.24
          9 |        506        5.06       92.30
         10 |        152        1.52       93.82
         11 |         92        0.92       94.74
         12 |        526        5.26      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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