The bar graph illustrates proportion of different types og household waste,which recycled in single city between 1992 and 2002.
From an overall perspective,it is apparent that the persentage of glass and paper showed an upward trend over the surveyed period.On the other hand proportion of plastic waste illustrates the lowest trend.
In terms of glass and paper,they presented almost same level,in 1992, they both approximately 20% then incresed by under 15%.At the end of the period was just under 40% and 50% respectively.
As for Cens,between 1992 and 1997 flactuated marginally,decreasing to roughly 5%,after increasing to almost 20%,but increased rappidly near to 30%, in the last year of the period.Plastic wastes illutrated almost 10% in 1992,than increase to above 20% over the surveyed period and showed the lowest figure.
