The pie charts indicate changes in the proportions of energy produced in a country from 1983 to 2003. Summarize the information by selecting and reporting the main features, and make comparisons where relevant.

The pie charts depict the proportions of

energy

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generated in a country

during

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from

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1983 to 2003.

Overall

Linking Words

, it is evident that oil was the

lagest

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largest

source of

energy

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which accounted for 42% and 38% in 1983 and in 2003, respectively. In the meantime,

other

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the other

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four different

energy

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sources encompassed slight shifts of the proportions. In 1983, coal composed

of

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apply

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23% of the total

energy

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while

Linking Words

it had decreased to 13% in 2003. Meanwhile, nuclear power comprised 20% in 1983 but shot up to 24% in 2003.

Likewise

Linking Words

, natural gas

was

Unnecessary verb

apply

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originally accounted for 11% of the total

energy

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but

then

Linking Words

it went up to 23% in 2003, almost as much as nuclear power

energy

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.

Last

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but not least, hydropower had 4% of

energy

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in 1983, which remained the same

by

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at

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4% in 2003 as well.

To sum up

Linking Words

, oil was the most important

energy

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in both periods

while

Linking Words

hydropower showed no changes over the years.