the given line graph shows the recycling amount of materials, which is devided in four categories in 28years, from 1982 to 2010. the information is given in per cent.
overall, in the first glance it is obvious that the proportion of recycled paper and cardboard was significantly more than the plastic.
recycling paper and cardboard was highest from the beginning, it started around 65 and 4 year later it reached into 70. furthermore, despite the dicline in 1990, which dropped to 65 again, it reached to peak and showed the result of 80. but, unfortunately it kept go down ward constantly, and in 2010 the line was in 70 once more. meanwhile recycling glass containers started with reduction and droped from 50 to 40 in the years between 1982 to1990. however it increased to 50 in 1994 and kept rising till 60 by the year 2010
recycling aluminium cans was launched later, approximately in 1997 from almost 0, but it grew persistently by 2002 to around 25, and rose with even more speed until 2010 and reached to about 45. meantime recycling plastic began 4 year after aluminium, but could heighten only to 10 in 20 years
