The bar chart gives information about the proportion of recycled 4 types household waste-Plastic, Cans, paper and glass- in a city in 1992,1997 and 2002
Overall, the recycled waste rate increased over the years. Glass and paper became the most recycling waste while the least recycling materials were made out of plastic and cans.
Glass and paper made products were recycled more than other types of materials. In initial year, they recycled the same proportion about 15% before becoming dominant in 2002, acounting with 48% and 40% respectively.
As for the share of recycled materials, plastic and cans were less. ALTHOUGH cans were recycled most in initial year, with 18%, it decreased in the following given year to about 13%.After that an increase to about 25% recorded in 2002. Plastic waste maintained sustainability with almost 12% in last two years after being the least reproduced material in 1992.