The line graph illustrates the consumption of renewable energy in 6 different countries between 1971 and 2011.
Overall, most nations experienced a growth in the percentage of renewable energy, the United States recorded the most change. Meanwhile, Finland remained the highest point throughout the period.
At the beginning of the period, the United States started with around 2.5%, Germany with 5%, and France with 7%. The United States showed a sharp rise over time, from about 2.5% in 1971 to 18.3% in 2011, increasing nearly 16%. While the figure for Germany initially declined to roughly 4% in 1986, its proportion escalated again to about 14% in 2011. Similarly, there was a gradual rise in France’s percentage between 1971 and 2011, from approximately 7% to 15%.
Regarding other nations, in 1971, Finland recorded the highest figure, at about 24.5%, surpassing Denmark at almost 15%, while the United Kingdom only used under 1% of total energy. Finland saw a significant fluctuation, plummeting to a minimum level at about 16.5% in 1988, then recovering to roughly 23.5% in 2011, ending up around the starting point. Denmark showed a similar trend with Finland, considerably fluctuating but recording a surge in total, finishing at nearly 17% in 2011. In contrast, the percentage of the United Kingdom moderately grew from just 1% to 6% over the period, which was still the smallest figure.