The graph below shows the production levels of the main kinds of fuel in the UK between 1981 and 2000.

The given line chart demonstrates the creation degrees of the primary types of fuel in the UK from 1981 to 2000. I will discuss about main striking features in the graph.

Overall

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,

according to

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the data,

it is clear that

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,

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the figure for Petroleum was recorded

at

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as

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the highest among all three fuels. Meanwhile, it is noticeable that

,

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the percentages of Coal and Natural gas showed their reversed pattern at the beginning and the end during the given period. Looking more closely at the graph,

firstly

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, production levels of Petrol significantly increased from 90 to 100 energy units between 1981 and 1986. After that, there was a dramatic decrease a range from 140 to 100 from 1986 and 1991. But they showed an onward trend again,

as a result

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, they hit the highest record in the year 2000.

In contrast

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, manufacturing levels of Coal decreased sharply from 80 to 40 energy units between 1981 and 1986, from

then

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on, they revealed stable maintenance. They gradually fell,

Consequently

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, they recorded as the lowest with just below 40 energy units.

Whereas

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, regarding Natural gas, they recorded

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40 in 1981 and sustained consistently to 1991. But in

the

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1991, they showed an upward pattern. In the end, they recorded

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100 and, it

isis

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their largest figure throughout the given period. They were the only fuel that never exhibited a downward pattern among all fuels.