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

    Vehicle |
    Related |
   Factor 2 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,630       96.30       96.30
          1 |          7        0.07       96.37
          2 |         11        0.11       96.48
          3 |          5        0.05       96.53
          4 |          1        0.01       96.54
          5 |          7        0.07       96.61
          7 |          1        0.01       96.62
          9 |         10        0.10       96.72
         10 |          1        0.01       96.73
         14 |          3        0.03       96.76
         15 |          1        0.01       96.77
         99 |        323        3.23      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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