The given line graph illustrates the figure for carbon dioxide emitted by each person in four countries in Europe over a span of 40 years, from 1967 to 2007.

The given line graph illustrates the

figure

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for

carbon

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dioxide

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emitted by each person in four countries in Europe over a span of 40 years, from 1967 to 2007.

Overall

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, the amount of

carbon

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dioxide

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emissions in the United Kingdom took the lead throughout the entire period,

while

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that of Portugal had the lowest

figure

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.

However

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,

this

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number in Italy and Portugal experienced an upward trend, whilst that of the United Kingdom and Sweden the opposite is true. Regarding each person who emitted

carbon

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dioxide

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in the UK, standing at the highest

figure

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compared to others(about 11 metric

tonnes

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of CO2 emissions)

initially

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, after which it had slightly decreased to 9 metric

tonnes

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in 2007.

Moreover

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, the average

carbon

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dioxide

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emissions per individual in Sweden rose steadily to reach its peak of 10.5 metric

tonnes

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in 1977, but

then

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this

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number hit a low in the next three decades, particularly plummeting to approximately 5 metric

tonnes

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in 2007. Turning to Italy and Portugal, the data on the former started at just 4 metric

tonnes

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in 1967 and

then

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witnessed a marginal increase to nearly 8 metric

tonnes

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after 40 years.

As well as

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the aforementioned nation,

this

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figure

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for the latter soared to more than 5 metric

tonnes

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in 1997(

while

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that in 1967 just at 1 metric ton), and in the

last

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decade,

this

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number remained unchanged