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

    Vehicle |
    Related |
   Factor 2 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,542       95.42       95.42
          1 |         11        0.11       95.53
          2 |         18        0.18       95.71
          3 |          9        0.09       95.80
          4 |          5        0.05       95.85
          5 |          3        0.03       95.88
          6 |          2        0.02       95.90
          7 |          5        0.05       95.95
          8 |          3        0.03       95.98
          9 |          2        0.02       96.00
         10 |          2        0.02       96.02
         11 |          1        0.01       96.03
         13 |          3        0.03       96.06
         14 |          4        0.04       96.10
         99 |        390        3.90      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Apr 2016