The bar charts display number of cars per 1000 in 5 average. Overall, country 5 showed the most car ownership then the other. However country 1 showed the least number of the cars owners.
In 2005, The most car ownership was in country 5 with above than 800 cars owner. It followed by 2 other countries, country 3 and 4 in approximately 750 cars. Lastly for 2005 were country 1 and 2 around 350 to 550 be the least car ownership. Jumping in 2009, the number for country 5 got decreased to 700 but still remained the most then the other countries. The trends followed by country 3 that the bar chart stop at 600. On the other hand country 1 and 2 got increased at 400 to almost 600. For country 4 the bar chart remained steady at 750. Last but not least in 2015, country 5 dramatically increased to almost 1000 and still became the most car ownership. In contrast, 3 other countries like country 1, country 2, and country 3 got decreased around below 600 to 350 and became the least car owners. But for country 4 it still remained stable at 750.
So for the average of 5 countries, the bar chart in 2005 for 5 countries were at 750 car ownership, however in 2009 the chart showed a slightly decreased to around 740 became the year of the least cars owner. In contrast for 2015 the bar graphic increased rapidly to slightly below 800 and became the year of the most number of cars owner