The pie charts indicate changes in the proportions of energy produced in a country from 1983 to 2003.

The pie charts illustrate how many changes were experienced in the energy production of a country during the period between 1983 and 2003.

Overall

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,

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It

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it

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is clear that the

oil

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produced the highest

power

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in 1983,

whereas

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the hydropower encountered the lowest proportion, with a stable position in both years. Nuclear

power

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and natural gas generated a significantly massive supply of energy in 2003 compared to other years

,

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;

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however

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, at the same period,

oil

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and coal followed an opposite trend, gradually decreasing.

According to

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both charts, five various energy distribution sectors,

such

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as hydropower,

oil

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, nuclear

power

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, coal, and natural gas, delivered a robust volume of electricity from 1983 to 2003. In 1983,

oil

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production contributed the highest percentage, which was 42 per cent,

while

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the lowest proportion was the hydropower section, almost four (percentage) and it

also

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remained the same in the year 2003.

Although

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,

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there was an increase shown in nuclear

power

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and natural gas in 2003, which almost increased by 4% and 10%, respectively ,

oil

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and coal gradually declined by the same amount, and just endured a reverse tendency.