Frequencies for first 10,000 rows of veh_cf2 variable in vehicle dataset :

    Vehicle |
    Related |
   Factor 2 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,304       93.04       93.04
          1 |         14        0.14       93.18
          2 |         16        0.16       93.34
          3 |          6        0.06       93.40
          5 |          3        0.03       93.43
          6 |          2        0.02       93.45
          7 |          6        0.06       93.51
          8 |          2        0.02       93.53
          9 |          5        0.05       93.58
         10 |          1        0.01       93.59
         12 |          2        0.02       93.61
         14 |          1        0.01       93.62
         16 |          2        0.02       93.64
         18 |          6        0.06       93.70
         31 |         10        0.10       93.80
         99 |        620        6.20      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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