The chart below shows the proportion of energy produced from different sources in a country between 1985 and 2003.

The pie chart illustrates the percentage of energy produced from a variety of resources in a nation from 1985 to 2003.

Overall

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, Oil took up the greatest

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in both 1985 and 2003. In detail, Oil made up over half of the resource in 1985.

Although

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it decreased to 39% in 2003, it was still the largest

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in the chart.

Similarly

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, Nuclear was the second biggest part in the first year at slightly more than a fifth, which fell to 17% in 2003.

In contrast

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, there were increases in Natural gas, Coal and Other renewable between 1985 and 2003. In terms of Natural gas, the proportion was 13% in 1985 that later increased by 10% over the period given.

Further

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, Coal comprised less than 10% of the

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at the beginning, but it became 13% after decades.

Moreover

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, Other renewable which only made up 1% of the source in the first year, later reached four times the

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by 2003. In the meantime, Hydrogen took up 4% in 1985 and remained steady

at the end

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.