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

    Vehicle |
    Related |
   Factor 1 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,226       92.26       92.26
          1 |        227        2.27       94.53
          2 |         91        0.91       95.44
          3 |         12        0.12       95.56
          5 |         24        0.24       95.80
          6 |          1        0.01       95.81
          7 |         15        0.15       95.96
          8 |          5        0.05       96.01
          9 |         13        0.13       96.14
         11 |          2        0.02       96.16
         12 |          2        0.02       96.18
         14 |          8        0.08       96.26
         15 |          3        0.03       96.29
         99 |        371        3.71      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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