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

    VEHICLE |
CONFIGURATI |
         ON |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,227       92.27       92.27
          1 |         73        0.73       93.00
          2 |         30        0.30       93.30
          3 |         31        0.31       93.61
          4 |         19        0.19       93.80
          5 |        467        4.67       98.47
          6 |         41        0.41       98.88
          7 |         54        0.54       99.42
          9 |         58        0.58      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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