The given bar chart compare data about the percentages of renewable energy regarding to the energy supply in Australia, Sweden, Iceland, Turkey between 1997 and 2010
In general, it can be seen that both Iceland and Sweden witnessed an upward in three examined years. Besides, in 4 nations, this type of energy in seemed to be the most well known in Iceland.
On the one hand, in 1997, almost half of the energy consumption in Iceland and Turkey was renewable resources. 3 years later, the proportion of green energy in Iceland continued climbing considerable to 60%, which was nearly two times higher than that of renewable energy in Turkey. At the end of the period, Turkey slightly went down to just over 30%, meanwhile, Iceland reached a peak at 70%.
On the other hand, in comparison, Australia and Sweden had 2 different trend in the clean energy expenditure. Starting at approximately 9%, there was a gradual decline in Australia years later, ending at nearly 4% in 2010. Moreover, Sweden rose steadily from under 10% to about 9%, matching Australia’s starting point