The bar chart illustrates the proportion of various types of household waste, including glass, paper, and cans, that were recycled in a city from 1992 to 2002. Overall, glass and paper consistently recorded the highest recycling rates in the years 1997 and 2002, except for 1992, where the recycling rates were similar for both materials.
Initially, both glass and paper had low recycling percentages, each at 13%. However, their recycling rates peaked in 1997 and 2002, with paper accounting for 30% in 1997 and 39% in 2002. In contrast, plastic had the lowest recycling rates each year, starting at 10% in 1992 and increasing slightly to 12% in both 1997 and 2002.
Regarding cans, the recycling rates exhibited fluctuations over the years. They began at 19% in 1992, decreased to 12% in 1997, and then rose again to 23% in 2002.
