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

    Vehicle |
    Related |
   Factor 1 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,493       84.93       84.93
          1 |        223        2.23       87.16
          2 |        121        1.21       88.37
          3 |         11        0.11       88.48
          4 |          3        0.03       88.51
          5 |          7        0.07       88.58
          7 |         22        0.22       88.80
          8 |          5        0.05       88.85
          9 |         18        0.18       89.03
         10 |          1        0.01       89.04
         12 |          2        0.02       89.06
         13 |          2        0.02       89.08
         14 |          7        0.07       89.15
         15 |          4        0.04       89.19
         16 |          6        0.06       89.25
         18 |         15        0.15       89.40
         31 |        387        3.87       93.27
         32 |         16        0.16       93.43
         33 |          5        0.05       93.48
         99 |        652        6.52      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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