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

    VEHICLE |
CONFIGURATI |
         ON |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,167       91.67       91.67
          1 |         83        0.83       92.50
          2 |         42        0.42       92.92
          3 |         37        0.37       93.29
          4 |         19        0.19       93.48
          5 |        473        4.73       98.21
          6 |         45        0.45       98.66
          7 |         52        0.52       99.18
          9 |         82        0.82      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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