The graph illustrates how many sustainable energy calculating the total energy in different countries between 1971 to 2006.
Overall, it is clear that Germany , US and UK experienced an upward trend , whereas that Finland , Denmark and France bucked the trend. Additionally , the percentage of clean energy in UK was a leader in this trend.
In 1971 , the United Kingdom stood at almost 0 . After that , it had a gradual increase till the end of period (at 6 %) . When it comes to the percentage of United States, at the beginning about 3% of energy was used , it underwent fluctuations in the next 2 decades and stopped at 6% before jumping to 18% . The next is Germany , at the beginning 5 % of power was used . In this trend experienced a gradual rise till the end of deadline to 14 percent.
In 1971 , the percentage of strength, which used in France was 8% . Although it grow to 15 percent during the interval. The zest , which employed in Denmark was at 15% , but happened fluctuations in the next 3 decades and stopped at 15 % before growing to 17 % .Initially. there was a fluctuations in France during the 3 decades , and stopped at 20 percent prior to rising to 24 percentage at the end of deadline.