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

    vehicle |
configurati |
         on |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,201       92.01       92.01
          1 |        131        1.31       93.32
          2 |         73        0.73       94.05
          4 |         41        0.41       94.46
          5 |         15        0.15       94.61
          6 |        423        4.23       98.84
          7 |         29        0.29       99.13
         19 |          7        0.07       99.20
         20 |          6        0.06       99.26
         21 |         59        0.59       99.85
         99 |         15        0.15      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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