TABLE 4 - Incidence of Mixtures of Attributes Processed,
Attribute processing profile,"Sample no. of observations = 3,568"
All attributes attended to (v1),"1,856"
Attributes not attended to:,
Running cost (v2),640
Running and toll cost (v3),192
Toll cost (v4),96
Slowed down time (v5),192
Free flow and slowed down time (v6),304
Free flow time (v7),112
Slowed down time and running cost (v8),64
Free flow and slowed down time and toll cost (v9),48