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

    Vehicle |
    Related |
   Factor 1 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,336       83.36       83.36
          1 |        313        3.13       86.49
          2 |        115        1.15       87.64
          3 |         20        0.20       87.84
          4 |          5        0.05       87.89
          5 |          8        0.08       87.97
          6 |          5        0.05       88.02
          7 |         24        0.24       88.26
          8 |          5        0.05       88.31
          9 |         15        0.15       88.46
         11 |          1        0.01       88.47
         12 |          1        0.01       88.48
         13 |          3        0.03       88.51
         14 |          8        0.08       88.59
         15 |          5        0.05       88.64
         16 |          8        0.08       88.72
         18 |         18        0.18       88.90
         31 |        379        3.79       92.69
         32 |          3        0.03       92.72
         99 |        728        7.28      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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