The bar chart illustrates the percentages of reusable energy in total energy sources in 4 countries between 1997 and 2010.
Overall, Iceland had the highest proportion of reusable energy source in all 3 years whereas Australia and Sweden had the lowest. Also, the most dramatic change was also seen in Iceland throughout the given time period.
In 1997, Iceland had almost 50% source of reusable energy source and it was on the lead while Turkey came second with as high as 40% wheres Australia had close to 10% and lastly Sweden followed with less than 10%. In 2000 the ranking of the 4 countries remained the same but the percentages changed; with Australia at 60%, Turkey at 40%, Sweden and Australia less than 10%. In this year, Australia and Sweden had a similar proportion in reusable energy supply source.
In 2010, Iceland peaked with a value of 70% meanwhile Turkey had a decrease to approximately 35%. Sweden rose close to 10% and Australia declined to way less than 10%.
