The bar chart shows how much renewable energy was supplied in four countries over the years from 2000 to 2007. Overall, the proportion of energy showed small changes in its outputs, with a notable exception in Norway, which increased significantly over seven years while other three countries stayed constant or show the small rise.
In 2000, Norway reached its highest chart position of 60% on a yearly basis, which grew dramatically to 80% in the following seven years. The output for Germany was at its low of 10% and rose gradually. The result for Germany closed at 20% which was their high.
When it comes to the country of Iceland, it improved from 50% to 60% over four years of trying, but its final result converged with the initial result, which is 50%. Australia was on par with Germany, but with lower numbers in its output. Its former result was 10%, which was the latter in 2007.