This graph shows the proportion of four different materials that were recycled from 1982 to 2010 in a particular country.

The following data illustrates the recycling rate percentage of four types of materials between 1982 and 2010 in a specific country.

Paper

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and

glass

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containers

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have been used since 1982

while

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aluminium cans and plastics became popular several years later.

Paper

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and

glass

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containers

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started their usage in 1982 at the level of 65% and 50% respectively. In the following period,

the

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paper

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reached its peak in 1994 at 80%

while

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glass

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containers

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experienced a slight decrease to 40% in 1990.

Then

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, both of them had different fluctuations until 2010 when

paper

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dropped to 70%

while

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glass

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containers

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continued to grow steadily to 60%. Aluminium cans and plastics were continuously increased but had

a different patterns

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a different pattern

different patterns

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. Aluminium cans surge rapidly from the level of 5% in 1986 to 45% in 2010 with no experience of drop.

On the other hand

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, plastics have been stable since it was first introduced starting at the level of 3% in 1990 and still below 10% until 2010.