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 compares the different levels of the three main

fuels'

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fuels

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production in

the

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Britain from 1981 to 2000.

Overall

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,

the

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petroleum was the highest

rank

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among the two other fuels,

while

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the

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natural gas was the lowest

rank

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in the first five

years

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but it kept increasing and passed the level of

the

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coal. In the first five

years

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, petroleum led the board as the highest

rank

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in

the

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production and reached 140 energy units in 1984.

Although

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it had fluctuated changes

the

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in the

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latter

years

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,

the

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petroleum remained

on

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in

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the first position until 2000. The coal was on the second

rank

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before 1984, even though it faced a fall.

Then

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, in the

followed

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following

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years

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coal 's production rose until 1986, but suddenly it decreased steadily until 2000.

In contrast

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,

the

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natural gas had significant changes among the others. It increased gradually from producing almost 40 energy units to just over 100 energy units in the end.