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

    RELATED |
   FACTOR 2 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,434       94.34       94.34
          1 |         12        0.12       94.46
          2 |         18        0.18       94.64
          3 |          3        0.03       94.67
          4 |          6        0.06       94.73
          5 |          3        0.03       94.76
          7 |          5        0.05       94.81
          8 |          2        0.02       94.83
          9 |          1        0.01       94.84
         10 |          1        0.01       94.85
         12 |          1        0.01       94.86
         15 |          2        0.02       94.88
         16 |          1        0.01       94.89
         18 |          7        0.07       94.96
         31 |          9        0.09       95.05
         33 |          1        0.01       95.06
         99 |        494        4.94      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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