The given diagram illustrates the numbers of used vehicles in a European country. Overall, private cars and other types increase, as oppsed to the decrease of motorcycles and lorries and a plateau of bus. In addition, private cars lead the charts during the duration among 5 categories.
In terms of the three leading vehicles, the number of registered private cars topped the chart and witnessed a significant rise from 19 millions in 1996 to 24 millions in 2006, which outnumbered that of other types, at 1.2 millions and 1.9 millions respectively. In contrast, 1.0 millions motorcycles was used in a Europe countries in 1996, before a slight drop to 0.6 millions in 2006.
Regarding the remaining categories, there was 0.5 millions of registered lorries was used in 1996, while the figure insignificantly drop to 0.4 millions in the next following 10 years. In comparison, the number of bus remained unchanged during 10 years, at 0.1 millions, which ranked last in the chart.