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

    VEHICLE |
CONFIGURATI |
         ON |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,116       91.16       91.16
          1 |         95        0.95       92.11
          2 |         55        0.55       92.66
          3 |         23        0.23       92.89
          4 |         17        0.17       93.06
          5 |         40        0.40       93.46
          6 |        509        5.09       98.55
          7 |         10        0.10       98.65
          8 |         48        0.48       99.13
          9 |         87        0.87      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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