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

    Vehicle |
    Related |
   Factor 1 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,070       90.70       90.70
          1 |        223        2.23       92.93
          2 |         90        0.90       93.83
          3 |         10        0.10       93.93
          4 |          1        0.01       93.94
          5 |         22        0.22       94.16
          6 |          2        0.02       94.18
          7 |         24        0.24       94.42
          8 |          5        0.05       94.47
          9 |         19        0.19       94.66
         11 |          1        0.01       94.67
         13 |          1        0.01       94.68
         14 |          7        0.07       94.75
         15 |          5        0.05       94.80
         99 |        520        5.20      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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