Frequencies for first 10,000 rows of veh_cf2 variable in vehicle dataset :

    Vehicle |
    Related |
   Factor 2 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,455       94.55       94.55
          1 |          8        0.08       94.63
          2 |         19        0.19       94.82
          3 |          8        0.08       94.90
          4 |          6        0.06       94.96
          5 |          2        0.02       94.98
          7 |          4        0.04       95.02
          9 |          3        0.03       95.05
         13 |          1        0.01       95.06
         16 |          4        0.04       95.10
         18 |          8        0.08       95.18
         31 |          6        0.06       95.24
         99 |        476        4.76      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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