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

    Vehicle |
    Related |
   Factor 2 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,447       94.47       94.47
          1 |          5        0.05       94.52
          2 |         10        0.10       94.62
          3 |          2        0.02       94.64
          5 |          2        0.02       94.66
          6 |          1        0.01       94.67
          7 |          4        0.04       94.71
          8 |          1        0.01       94.72
          9 |          8        0.08       94.80
         99 |        520        5.20      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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