The data indicates that all of the sampled Toyota Yaris (1999-2005) 5-door hatchbacks with the 1.0 VVTi Colour Collection Blue model from this period were manufactured in 2002. This suggests a strong concentration around that year, possibly reflecting a specific production batch or model release during that time.

The data indicates that all Toyota Yaris (1999-05) 5-door hatchbacks in the sample are equipped with a 1.0-liter engine capacity and run exclusively on petrol. This uniformity suggests that the model maintains a consistent engine size and fuel type across the sample, reflecting standard specifications for this vehicle range during that period. The reliance on a petrol engine of 1.0 liters highlights its focus on fuel efficiency and affordability.