The graph below shows the proportion of renewable energy of the total supply in 2000 2004 and 2007

The above chart shows the proportion of renewable energy of the total supply in 4 different countries in 2000, 2004 and 2007 respectively.
Norway has the highest proportion which is more than 60% starting from slightly more than 60% in 2000 and increased over the period ended with almost 80% in 2007. Whereas, Australia has the lowest amount which is below 10%.
Even though Iceland stands as the second highest and 50% to 60% in proportion, it has a reducing trend after 2004.
Germany has the proportion below 20% but still, it shows an increasing nature over the period.
Iceland and Australia had about 50% and 8% renewable energy of the total supply in 2004, the number after that went up to almost 60% and 10% in 2004 and all fell back to 55% and 9% in 2007. The figure of Iceland was approximately 5 times higher compared to Australia and 1,5 times lower than Norway.