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

    Vehicle |
    Related |
   Factor 1 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,296       92.96       92.96
          1 |        250        2.50       95.46
          2 |         91        0.91       96.37
          3 |         19        0.19       96.56
          4 |          2        0.02       96.58
          5 |         22        0.22       96.80
          6 |          6        0.06       96.86
          7 |         28        0.28       97.14
          8 |          4        0.04       97.18
          9 |         14        0.14       97.32
         10 |          1        0.01       97.33
         12 |          4        0.04       97.37
         13 |          3        0.03       97.40
         14 |         11        0.11       97.51
         99 |        249        2.49      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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