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

    RELATED |
   FACTOR 1 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,814       88.14       88.14
          1 |        182        1.82       89.96
          2 |        119        1.19       91.15
          3 |         11        0.11       91.26
          4 |          3        0.03       91.29
          5 |         11        0.11       91.40
          7 |         15        0.15       91.55
          8 |          2        0.02       91.57
          9 |          5        0.05       91.62
         10 |          1        0.01       91.63
         11 |          1        0.01       91.64
         12 |          1        0.01       91.65
         13 |          1        0.01       91.66
         14 |          6        0.06       91.72
         15 |          5        0.05       91.77
         16 |          8        0.08       91.85
         18 |         24        0.24       92.09
         31 |        431        4.31       96.40
         32 |         19        0.19       96.59
         33 |         10        0.10       96.69
         99 |        331        3.31      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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