Frequencies for first 10,000 rows of veh_cf1 variable in vehicle dataset :

    RELATED |
   FACTOR 1 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,087       90.87       90.87
          1 |        169        1.69       92.56
          2 |         74        0.74       93.30
          3 |         13        0.13       93.43
          4 |          6        0.06       93.49
          5 |         11        0.11       93.60
          7 |          9        0.09       93.69
          8 |          3        0.03       93.72
          9 |          5        0.05       93.77
         12 |          5        0.05       93.82
         13 |          2        0.02       93.84
         14 |          6        0.06       93.90
         15 |          1        0.01       93.91
         16 |          4        0.04       93.95
         18 |         16        0.16       94.11
         31 |        373        3.73       97.84
         32 |          6        0.06       97.90
         33 |          2        0.02       97.92
         34 |         15        0.15       98.07
         35 |          3        0.03       98.10
         99 |        190        1.90      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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