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

    Vehicle |
    Related |
   Factor 2 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,584       95.84       95.84
          1 |          3        0.03       95.87
          2 |         12        0.12       95.99
          3 |          8        0.08       96.07
          4 |          6        0.06       96.13
          6 |          1        0.01       96.14
          7 |          3        0.03       96.17
          8 |          3        0.03       96.20
          9 |          7        0.07       96.27
         10 |          2        0.02       96.29
         11 |          1        0.01       96.30
         12 |          1        0.01       96.31
         13 |          1        0.01       96.32
         14 |          3        0.03       96.35
         99 |        365        3.65      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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