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

    VEHICLE |
CONFIGURATI |
         ON |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,099       90.99       90.99
          1 |         93        0.93       91.92
          2 |         68        0.68       92.60
          3 |         25        0.25       92.85
          4 |          9        0.09       92.94
          5 |         23        0.23       93.17
          6 |        543        5.43       98.60
          7 |          8        0.08       98.68
          8 |         65        0.65       99.33
          9 |         67        0.67      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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