The bar chart compares the percentage of renewable energy supply in 4 countries between 1997 and 2010.
Overall, Iceland is the highest proportion energy, while Australia lagged behind other countries. Additionally, Iceland and Sweden showed an upward trend, whereas Australia experienced a declined and Turkey showed some fluctuations.
In the bar chart, renewable energy in both countries Sweden and Iceland increased over all three years. But, Iceland increased significantly than Sweden and have double proportion of recycle energy. Iceland increased rough 5% than the beginning year ,and remain increased about 70% in last year. Sweden also increased but the percentage ending at around 9%. So, Iceland s the highest level points in the researched.
The proportion of energy in Australia showed in over 3 years with beginning around 9% but decreased steadily roughly 5% in 2010. Finally, in Turkey fluctuations between about 38% in the beginning and increased slightly around 40% in the second year. But it continued to decreased sharply in 2010, ending at about 32%. Although Australia proportion higher than Sweden at beginning, but recorded the lowest percentage of renewable energy.
