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

    VEHICLE |
CONFIGURATI |
         ON |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,087       90.87       90.87
          1 |        118        1.18       92.05
          2 |         77        0.77       92.82
          3 |         14        0.14       92.96
          4 |         15        0.15       93.11
          5 |         19        0.19       93.30
          6 |        556        5.56       98.86
          7 |         23        0.23       99.09
          8 |         59        0.59       99.68
          9 |         32        0.32      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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