The line graph illustrates what percentage of four different materials-paper and cardboard, glass containers, aluminium cans, and plastics-were recycled in a specific country between 1982 and 2010.
Overall, paper and cardboard, and glass containers, where are the most recycled materials over the entire period, while plastics were observed with the lowest recycling rate . In the meantime, aluminium cans experienced the greatest incline in the rate of recycling.
In 1982, approximately 65% of paper and cardboard were recycled. The figure fluctuated in the following years before reaching the peak, at exactly 80% in 1994. After that period, there was steady decline, reaching to a low of 70% by 2010. in comparison, 50% of glass containers underwent recycling in 1982. There was decreasing trend until 1990, after which the data experienced consistent rise.
The recycling of aluminium cans started only in 1986, and that a plastic begin around 1990. The recycling trend of aluminium can increased continuously during the entire period. However, during the same time, the percentage of recycled plastic remained relatively constant, at below 10%.