The bar chart illustrates the how much renewable energy was used between four countries (Australia, Sweden, Iceland, Turkey) from 1997 to 2010. Overall, different from remain two counties, the percentage of renewable energy was increased in Sweden and Iceland over the period. Furthermore, the figure for the Iceland was the highest over the period.
In Australia, there was not witnessed increasement. Contrast to this, there was observed slight decrease in renewable energy consumption over the period started at around 9% in 1997, to reaching at it is lowest score about 7% in the final year. In Turkey, there was witnessed rise and fall in the percentage of figures. In 1997, it was about 38%, and this trend went up reaching at 41% in 2000. However, this trend reversed average of about 33% in 2010.
Moving on to renewable energy consumption in Sweden, starting at 5%, after witnessed an increase slightly 9% in 2010. In Iceland, the renewable energy consumption showed the similar trend with Sweden. The figures overtook the other countries indicators by far. The consumption of renewable energy was about 46%, it increased significantly with 60% in 2000. Following this in 2010 it hit the its highest point with 70 %.