The line chart gives information about the percentage of various types of household waste that were recycled in the period 1992 to 2002 in one city.
Overall,it can be seen that, the following graph shows in the last year paper,glass and cans recycling was significantly higher than another year. However only plastic stay constant over tha period.
At the first time in 1992 paper and glass was the same position at 20% . By 1997, glass dropped to over 35% and paper followed by 30% . However both of items recyclin rapidly grew up in 2002 ,accounts for 40% and 50% and shows the highest presentable levels.
Cans also jumped in 2002 from 20% to 30% ,in contrast 1997 showed lower levels than both of years. Plastic was less recyclable than other materials also stay stable in whole period,illustrated only 15%
