The graph below shows average carbon dioxide emissions per person in the United Kingdom, Sweden, Italy and Portugal between 1967 and 2007.

The given line chart illustrates the average

carbon

dioxide

emissions

of each person in four different countries produced

from

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between

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1967 and 2007.

Overall

, during the period the

carbon

emission in the United Kingdom and Sweden experienced decreases

while

Italy and Portugal went up. Despite a steady decline from 11 to 9 metric

tonnes

,

emissions

in the UK were higher than in the three countries all the period. Sweden's

emissions

first rose from about 9 metric

tonnes

in 1967 to a maximum of nearly 10.5 metric

tonnes

in 1977. After the increase in

carbon

dioxide in Sweden, it experienced a rapid decrease from 10.5 to 7 metric

tonnes

and a continued slow decline to 5.5 metric

tonnes

to

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by

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the end of the time. Average

carbon

emissions

that each person in Italy increased between 1967 and 2007. Italy’s

carbon

emissions

nearly doubled, starting at just above 4 metric

tonnes

in 1967 and ending at nearly 8 metric

tonnes

by the finishing year

while

Portugal's

emissions

in 1967 were nearly 1.5 metric

tonnes

. But in 2007,

emissions

had reached 5.5 matchings Sweden’s average.