Frequencies for first 10,000 rows of veh_cf1 variable in vehicle dataset :

    Vehicle |
    Related |
   Factor 1 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,060       90.60       90.60
          1 |        283        2.83       93.43
          2 |        123        1.23       94.66
          3 |         27        0.27       94.93
          4 |          5        0.05       94.98
          5 |         27        0.27       95.25
          6 |          1        0.01       95.26
          7 |         35        0.35       95.61
          8 |         10        0.10       95.71
          9 |         14        0.14       95.85
         10 |          3        0.03       95.88
         12 |          1        0.01       95.89
         13 |          2        0.02       95.91
         14 |         12        0.12       96.03
         15 |          7        0.07       96.10
         99 |        390        3.90      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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