Frequencies for pveh_sc1 variable in parkwork dataset :

    vehicle |
    related |
factors (1) |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      1,112       98.15       98.15
         32 |          2        0.18       98.32
         33 |          1        0.09       98.41
         39 |          6        0.53       98.94
         40 |          1        0.09       99.03
         41 |          2        0.18       99.21
         42 |          9        0.79      100.00
------------+-----------------------------------
      Total |      1,133      100.00

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