The graph here the difference of four different materials each were recycled for 28 years (1982 to 2010). It shows four kinds of material in sepcific colour order. Paper & cardboard in blue, glass containers in red, Aluminium cans in green, and plastic in purple. It clearly shows that paper & cardboard (60% to 70%), and glass containers (50%) were always at a steap their percentages and were always higher than aluminium cans, and plastic. Alumininium can’s percentage startet rising in 1986 from 0% to 10% in these 20 years.
Whereas, glass container in 1982 was at 50% and gradually started dropping to 40% in 1990. It got rised in next four years and till 2010 is was up to 60%. Same goes with paper and cardboard. It was at 60% to 70% in 1982 increased a bit in 1984 then dropped in 1990 to exact same position where it was in 1982. It took a turn 1994 where it shooted to 80% in 1994 then gradually started decreasing till 2010 to 70% to 80%.
Talking about plastic it did’nt increase much, started at 1990 till 2010 rised in between 0% to 10%.