Band 5+: The chart shows the proportion of renewable energy in total energy supply in 4 countries from 1997 to 2010. Summarise the information by selecting and reporting the main features, and make comparions where relevant.

The bar chart compares the supply of renewable energy in four countries between 1997 ,2000 and 2010.

Overall,Iceland and Sweden increased to varying degrees.Both figures exhibited a constant rise over the period,Iceland surpassed its counterparts throughout.Whereas Australia and Turkey observed a decline, with Australia registering a downward trajectory.Notably,Australia and Sweden recorded a somewhat comparable numbers during the period.

Iceland experienced a consistent increase during the data.In the beginning of the period a figure for this country was almost 45, then there was a sharp rice to nearly 60 numbers of energy supply in 2000.In the final year, it increased noticeably again t0 70, and become the dominant. Meanwhile, initially Turkey represented nearly 40 numbers.Having edged up to about 42, it plunged to 35.

Australia and Sweden experienced almost similar numbers during the period.In the initial period,Australia and Sweden registered almost 9 and 8 figures respectively.After which,Australia dropped slightly to nearly 8, conversely Sweden rise minimally to almost 9- the same figure in Australia in 2000 .And lastly , in the final year while Australia observed a minimal fall from 8 to 7 ,Sweden edged up to 8.