The bar chart shows how much renewable energy was totally supplied in four countries over years from 2000 to 2007. Overall, the proportion of energy show small changes in their outputs, with notable exception on Norway that increased significantly over 7 years.
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%.
When it comes to country of Iceland improve from 50% to 60% between four years of trying but their final result converged with initial which is 50%.Australia was in parity with Germany, but with lower numbers in its output. Its former result was 10% which was the latter in 2007
