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

    vehicle |
configurati |
         on |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,216       92.16       92.16
          1 |        142        1.42       93.58
          2 |         50        0.50       94.08
          4 |         39        0.39       94.47
          5 |         13        0.13       94.60
          6 |        427        4.27       98.87
          7 |         33        0.33       99.20
         19 |          6        0.06       99.26
         20 |          6        0.06       99.32
         21 |         50        0.50       99.82
         98 |          8        0.08       99.90
         99 |         10        0.10      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Oct 2016