The line graph illustrates the findings of four disinct materials that were recycled between 1982 and 2010. The proportion was given in percentage.
Overall, Aluminium cans showed substantial increment in recycled percentage through out the period. While, the recycling rate of Papers and cardboard fluctulated before consquent decline. However, recycling process for Plastics remained unchanged.
In 1986, Aluminium were nearly 0% recycled, which rose steadily then reached 45% by 2010. Educational materials were 65% recycled in 1982, that displyed marginal fluctulation before sharp growth, after that it fell to 70 % in 2010. By contrast, the recycling rate for Glass containers were dipped off by 50% and increased gradually to reach a peak of 60% by 2010.
Regarding, the proportion of recycling for Plastics, started with approximately 0% in 1990, and inclined slowly by resulting 9% in 2010. Only Aluminium cans showed considerable change and got up 45 %. Although, both papers, carboards and glass containers were increased by only 5% and 10% respectively.
