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

    Vehicle |
    Related |
   Factor 1 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,617       86.17       86.17
          1 |        238        2.38       88.55
          2 |        108        1.08       89.63
          3 |         12        0.12       89.75
          4 |          6        0.06       89.81
          5 |          8        0.08       89.89
          6 |          1        0.01       89.90
          7 |         17        0.17       90.07
          8 |          5        0.05       90.12
          9 |          9        0.09       90.21
         12 |          1        0.01       90.22
         13 |          1        0.01       90.23
         14 |          3        0.03       90.26
         15 |          5        0.05       90.31
         16 |          7        0.07       90.38
         18 |         12        0.12       90.50
         31 |        427        4.27       94.77
         32 |         23        0.23       95.00
         33 |          7        0.07       95.07
         99 |        493        4.93      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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