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. You should write at least 150 words.

The data presents the manufacturing levels of the main variety of fuels in the UK in the period between 1981 and 2000. The Y axis shows the

energy

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units in intervals of 20,

while

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the

X axis

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X-axis

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depicts the time period in intervals of 5 years. Petroleum, represented by the blue solid line, shows an inconsistent trend. It had a sudden rise in the usage of

energy

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from 1981 but experienced a decrease starting from the year 1987.

After

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this

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fall, in 1988, a steady increase can be seen progressing until 2000.

Similarly

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, Natural gas, shown by the orange broken line, has a steady consistent increase,

Conversely

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, Coal, which is illustrated by the grey solid line, had a sharp decrease in

energy

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units in the year 1983.

While

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it had an increase in 1984, a continuous fall is seen starting from 1989. It can be inferred from

this

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graph that throughout the years petroleum costs the most in terms of

energy

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needed to produce it.

While

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the manufacturing of coal has decreased in cost.