The line graph below depicts a comparative study of the percentage of recycled materials in a specific nation between 1982 and 2010.
Overall, it can be perceived that paper and cardboard were the most recycled materials, while plastics were the least recycled materials during this period.
On one hand, the recycling rates of plastics and cardboard were identical in 1980 and 1988, both around 65 percentage. However, the recycling rate increased by 15 percentage after 4 years, and then gradually declined until 2008. Looking at glass containers, the recycling rate fluctuated between 1980 and 1992. It was 50 percentage in 1980, dropped by 10 percentage after 8 years, and then returned to the 1980 rate 4 years later. After 1992, the recycling rate escalated by 10 percentage until 2008.
Regarding the recycling percentage of Aluminium Cans, it was 5 percentage in 1984 and reached 25 percentage in 2000, increasing rate significantly accelerated, reaching 45 percentage after almost a decade. Additionally, plastics had a recycling rate of approximately 1 percentage in 1998, which increased by around 4 percentage after 2 years and remained relatively stable until 2008.
