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

    RELATED |
   FACTOR 2 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,563       95.63       95.63
          1 |          6        0.06       95.69
          2 |          9        0.09       95.78
          3 |          2        0.02       95.80
          4 |          2        0.02       95.82
          5 |          1        0.01       95.83
          7 |          2        0.02       95.85
         11 |          1        0.01       95.86
         15 |          2        0.02       95.88
         18 |          3        0.03       95.91
         31 |          5        0.05       95.96
         33 |          2        0.02       95.98
         99 |        402        4.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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