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

The line graph illustrates the percentages of paper and cardboard, glass containers, aluminium cans, and plastics that were recycled in one country between 1982 and 2010.

Overall

, the proportion of paper and cardboard that was recycled was the highest of the four classes of material.

However

,

this

category experienced a significant decrease after 1994.

While

other materials continue to increase throughout the period. In 1982, the percentage of paper and cardboard that was recycled was about 65%, and there are some fluctuations before it increased dramatically to 80% in 1994.

However

,

this

material experienced a constant decrease from 80% to 70% in 2010.

On the other hand

, glass containers were recycled 50% and experienced a significant decrease to 40% in 1990.

Although

this

comeback grew gradually to 60% between 1990 and 2010. Recycling of aluminium cans was first recycled in 1986, starting at about 5%, but

this

figure jump over 25 years and reached 45% in 2010.

Lastly

, less than 1 to 10 plastics were recycled in 1990 and it increased slightly throughout the period and almost reached 10% in 2010.