Based on the provided data, all vehicles in the sample of the Toyota Yaris (2005-11) 3DR Hatchback 1.0 VVTi 69 EU5 T Spirit were manufactured in 2011. This indicates a complete concentration of the sample around that specific production year, which could suggest that vehicles from this model year are most prevalent in the dataset or that the data collection focused solely on that year.

Based on the available data for the Toyota Yaris (2005-11) 3-door hatchback 1.0 VVTI 69 EU5 T Spirit, all vehicles in the sample are equipped with a 998cc engine capacity and run exclusively on petrol. This indicates a consistent engine specification and fuel type across the dataset, reflecting the typical configuration for this model and engine size during this period.