Frequencies for pveh_sc1 variable in parkwork dataset :

    vehicle |
    related |
factors (1) |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      1,127       98.34       98.34
         32 |          1        0.09       98.43
         36 |          6        0.52       98.95
         39 |          1        0.09       99.04
         41 |          5        0.44       99.48
         42 |          3        0.26       99.74
         99 |          3        0.26      100.00
------------+-----------------------------------
      Total |      1,146      100.00

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