Topic: The graph shows the average carbon emissions per person in four countries between 1967 and 2007.

The supplied line graph illustrates how much carbon dioxide was produced by each person from 4 countries between 1967 and 2007.

Overall

, the graph appropriates 4 countries with both Sweden and the United Kingdom with a downtrend

while

two lines

such

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Portugal and Italy with an uptrend. As can be seen, a remarkable change occurred in Sweden from 8.4% in 1967 to approximately 4.5% in 2017;

however

, it reached 10.2% in 1997.

Moreover

, the average carbon dioxide in the United Kingdom was near 10.5% in the first year which

was

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declined to 8.4% in the end. It is clearly shown that Portugal's line started at 1.5% and reached 4.5% in 1997,

then

it steadily passed until the

last

year.

Similarly

, the Production of CO2 in Italy experienced the same pattern.

In other words

, it was 4.1% in 1997 and increased to nearly 8% in 1997,

then

it steadily passed until 2007.