The Graph Below Shows The Proportion Of Four Different Materials That Were Recycled From 1982 To 2010.

The given line graph illustrates the recycling ratio of four different reusable items that were recycled from 1982 to 2010.

Overall

, all kinds of eco-friendly

materials'

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materials

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recycling rate increased slightly, and the highest recycling rate showed by paper and cardboard

for

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each year.

Moreover

, the most significant improvement progressed for aluminium cans over time. Between 1982 and 1994, the reusing

pertentage

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percentage

of paper and cardboard

was

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followed an upward trend, and reached 80%.

Then

, decreased slightly to 70% in the period of 16 years. In 1982, half of the glass containers were recycled, before

this

hit the bottom at 40% in 1990. Two decades later, the recycling ratio of glass containers rose by 20 per cent which was 10 per cent less

from

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than

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closer

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the closer

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counterpart.

On the other hand

,

aluminum

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aluminium

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cans and plastics were not recycled before 1986 and 1990 respectively. From 1986 to 2002, the reusing proportion of

aluminum

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aluminium

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cans inclined gradually to approximately 25%, only

after

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8 years later

this

rose by 20 per cent.

In contrast

, the reusing rate of plastics started at roughly 4% in 1990

,

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and only improved to just below 10% in the period of 20 years.