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

    Vehicle |
    Related |
   Factor 2 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,496       94.96       94.96
          1 |          6        0.06       95.02
          2 |          8        0.08       95.10
          3 |          4        0.04       95.14
          4 |          3        0.03       95.17
          5 |          7        0.07       95.24
          6 |          1        0.01       95.25
          7 |          2        0.02       95.27
          8 |          1        0.01       95.28
          9 |          9        0.09       95.37
         12 |          2        0.02       95.39
         13 |          1        0.01       95.40
         14 |          3        0.03       95.43
         99 |        457        4.57      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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