The line graph shows the global demand of different types of textile from 1980 to 2015.

The provided line graph below represents the global requirement of four diverse types of materials , namely :

Polyester

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,Cotton ,

Cellulosic

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and

Wool

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between 1980 and 2015. As can be seen from the graph, during

this

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period the biggest shift was witnessed in

Polyester

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.

It is clear that

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from 1980 to 1990 the figures for

this

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material rose steadily and

then

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fluctuated dramatically until 2000. After these changes , the need for

Polyester

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increased steeply and by 2015 , It had reached Its peak (70 million tons). It is

also

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worth noting that

Cellulosic

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and

Wool

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were the sole textiles which had changed differently. Quite as much

Cellulosic

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as

Wool

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was demanded in 2000 (approximately 5 million tons).

In contrast

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,

after

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this

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period, the data for

Cellulosic

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experienced a gradual increase ,

while

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Wool

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became less popular and had bottomed out at nearly 1 million tons by 2015. It can

therefore

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be concluded that from 1980 to 2015 ,

Polyester

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was much more relevant than other materials . Meanwhile, the statistics for

Cellulosic

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and

Wool

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were relatively diverse.