Frequencies for pve_forms variable in parkwork dataset :

  number of |
    vehicle |
      forms |
  submitted |
  for mv in |
  transport |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        836       73.79       73.79
          2 |        237       20.92       94.70
          3 |         26        2.29       97.00
          4 |         12        1.06       98.06
          5 |         11        0.97       99.03
          6 |          6        0.53       99.56
         18 |          5        0.44      100.00
------------+-----------------------------------
      Total |      1,133      100.00

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