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

    Vehicle |
    Related |
   Factor 1 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,208       82.08       82.08
          1 |        299        2.99       85.07
          2 |        129        1.29       86.36
          3 |         12        0.12       86.48
          4 |          4        0.04       86.52
          5 |         18        0.18       86.70
          6 |          1        0.01       86.71
          7 |         21        0.21       86.92
          8 |          5        0.05       86.97
          9 |         10        0.10       87.07
         10 |          1        0.01       87.08
         12 |          1        0.01       87.09
         13 |          2        0.02       87.11
         14 |          9        0.09       87.20
         15 |          3        0.03       87.23
         16 |          5        0.05       87.28
         18 |         21        0.21       87.49
         31 |        351        3.51       91.00
         32 |          3        0.03       91.03
         99 |        897        8.97      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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