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

    Vehicle |
Configurati |
         on |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,203       92.03       92.03
          1 |        142        1.42       93.45
          2 |         57        0.57       94.02
          4 |         26        0.26       94.28
          5 |         16        0.16       94.44
          6 |        404        4.04       98.48
          7 |         28        0.28       98.76
         19 |          6        0.06       98.82
         20 |          9        0.09       98.91
         21 |         65        0.65       99.56
         98 |          4        0.04       99.60
         99 |         40        0.40      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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