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.

Graph

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The graph

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shows the main types of fuels, which were used in the UK starting from 1981 to 2000. It is no secret that the main sources of energy have been

petroleum

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, natural gas, and coal. First and foremost,

petroleum

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is the most popular and useful fuel

according to

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the given graph, where it is in the first place, standing above two other valuable fossils. Another trend that we can clearly see is that coal was very popular in

early

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the early

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years. To be precise, between 1981 and 1984 coal was at its peak, having 80 energy units. But later the graph showed a downfall

of

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in

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coal use. Natural gas,

on the other hand

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, had a successive progression in popularity among UK production. To clearly show the differences between these 3 fuels, it is important to address the statistics.

Petroleum

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had an increasing trend from 90 to 140 energy units in approximately 4 years.

Then

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it decreased and increased again, just like a cycle of

petroleum

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behaviour on the market. Natural gas was stable from 1981 to 1990 and

then

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rapidly increased to 100 e.u. from 40 e.u. The

last

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fossil has an unstable dynamic, but the main trend is a downfall, where it successively decreased from 80 to under 40 e.u.