Frequencies for first 10,000 rows of veh_sc1 variable in vehicle dataset :

    vehicle |
    related |
factors (1) |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,773       97.73       97.73
         30 |          1        0.01       97.74
         32 |         79        0.79       98.53
         33 |          1        0.01       98.54
         35 |         14        0.14       98.68
         36 |         41        0.41       99.09
         39 |          3        0.03       99.12
         41 |          6        0.06       99.18
         42 |          1        0.01       99.19
         44 |          1        0.01       99.20
         99 |         80        0.80      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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