The bar chart shows how much renewable energy was used in four countries (Australia, Sweden, Iceland, Turkey) between 1997 and 2010.
Overall, there was an increase in the proportion of energy production coming from Sweden and Iceland, with the most dramatic rise being in Iceland. In addition, the figure for Iceland is the highest over the period. By contrast, Australia and Sweden’s use was minimal.
Regarding countries that increasingly relied on renewable energy sources, 45% of Iceland’s energy came from renewable in 1997, with a subsequent significant rise of 70% in 2010. Similarly, Sweden also saw a steady rise, but to a much lesser extent, increasing from 6% in 1997 to about 10% in 2010 over the period.
As for countries with a decrease in renewable usage, the percentage of energy usage in Australia started at about 10% in 1997, after which it saw a decrease slightly from 8% to 7% in 2010. Meanwhile, there was a steady fall in renewable energy consumption in Turkey, starting at 37%, after which it witnessed an increase of slightly 40% in 2000, before decreasing to 32% at the end period.