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

    VEHICLE |
CONFIGURATI |
         ON |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,127       91.27       91.27
          1 |        103        1.03       92.30
          2 |         65        0.65       92.95
          3 |         16        0.16       93.11
          4 |         28        0.28       93.39
          5 |         12        0.12       93.51
          6 |        429        4.29       97.80
          7 |         61        0.61       98.41
         19 |         10        0.10       98.51
         20 |          8        0.08       98.59
         21 |         47        0.47       99.06
         70 |          1        0.01       99.07
         99 |         93        0.93      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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