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

    Vehicle |
    Related |
   Factor 2 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,185       91.85       91.85
          1 |         17        0.17       92.02
          2 |         27        0.27       92.29
          3 |          3        0.03       92.32
          4 |          1        0.01       92.33
          7 |          4        0.04       92.37
          8 |          3        0.03       92.40
          9 |          7        0.07       92.47
         11 |          1        0.01       92.48
         12 |          1        0.01       92.49
         14 |          1        0.01       92.50
         15 |          1        0.01       92.51
         16 |          3        0.03       92.54
         18 |         16        0.16       92.70
         31 |          2        0.02       92.72
         99 |        728        7.28      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 18 Apr 2016