Writing Feedback / Ielts Practice Task 1: Production levels of the main fuels in the UK [3]

The graph below shows the production levels of the main kinds of fuel in the UK between 1981 and 2000.
Summarize the formation by selecting and reporting the main features and make comparisons where relevant.

The line chart shows the changes in the amount of some fundamental fuels generated in the UK from 1981 to 2000.
It can be seen that the three fuels did not remain flat but either incread or decreased significantly. More spefically, the rise of production belonged to Petroleum and Natural Gas whilst Coal had a moderate drop by the end of the period.

Starting at around 90, Petroleum fluctuated sereral times with the first peak of 140 recorded in 1984 and continued to maintain this level for four consecutives years. After a strong fall in 1990, it grew back to finish the year of 2000 with the figure as high as the first record.
With a production level of just 40 initially, less than 50% of Petroleum, Natural gas was the only fuel that almost stayed the same in the first years. However, the remaining years witnessed a steady growth and reached to 100 by 2000, becoming the second largest common fuel in the country, just ranked behind Petroleum.
In contrast to the two fuels mentioned before, only the manufacturing level of Coal had the downtrend, descending from 80 in 1981 to above 30 in 2000. A remarkable point of this energy happened in 1991 where it was surpassed by Natural Gas, and the fall kept going afterwards.

Overally, Petroleum with sharp fluctuations continued to stand as the most popular fuel while the other twos had switched their positions in the production.

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