Task 01: Line graph
The picture below shows the use of renewable energy accounting the total energy from 1971 to 2011.
Given is the map illustrating the trend of renewable energy usage in 6 nations in a period of 40 years from 1971 to 2011.
Generally, this kind of energy became more popular among all examined nations. Throughout the years, the rate in the UK remained the lowest while renewable energy was most commonly used in Finland.
Looking at the chart in more detail, Finland had the most significant figures, at 25% in the first year. This figure fluctuated in the next 20 years, following a downward trend before reaching the lowest point at over 15% between 1986 and 1991. The use of renewable energy in Finland gradually become more common in the next few decades and took up almost 25% of the total energy in the final year. The figures in Denmark and France followed the almost identical patterns, dropping to their bottom in 1986 before growing substantially until the end of the period.
With regards to the other 3 nations, the United States recorded the most significant growth in the use of renewable energy. Starting at a low of around 3%, its figure overtook that of France and DIt i senmark in the last decade, reaching almost 20% in the final year. The remaining two nations, Germany and the UK, experienced a relatively gradual growth in their figures, which ended at almost 10% and over 5% respectively.