The line chart presents the percentage of household materials which were reused in a specific country between the year 1982 to 2010.
Overall, an upward trend was noticeable in the proportion of three materials except paper and cardboard. Although paper and cardboard was the highest in the beginning, it experienced a downward trend by the end of the period. However, the percentage of plastics were stable during the period.
To begin with paper and cardboard, overwhelmingly it had the highest percentage, about 65% in 1982, and it fluctuated until 1990 before reaching its peak (80%) in 1994. After that year the percentage gradually decreased to 70%. Glass containers were the second highest, it started with 50%, and slightly reduced by 10% in 1990. The proportion of glass containers rose moderately by the end of the period.
Aluminum cans, on the other hand, started off with just under 10% in 1986. From 1990 to 2002 its percentage had a gradual increase, after that year the proportion significantly rose its highest point, approximately 45%. Meanwhile, plastics were always lowest among the four materials, in 1990 it was just 1% and it remained its stability until the end (under 10% in 2010).
