The given bar chart depicts the proportion of four numerous kinds of household waste that were rused in one city from 1992 to 2002.
Overall, the highest percentage of glass household waste recycled was at approximately 48% in 2002 and the lowest ratio was recorded in plastic household waste recycled at 10% in 1992.
In 1992, the ratio of plastic waste recycled at averge 10% and gradually increased in 1997 and 2002. The percentage of cans waste recycled at approximately 18% in 1992 but the ratio sudden decreased in 1997. While, the proportion of cans waste recycled steadily rose at 22% in 2002. The percentage of plastic waste recycled reach to 24% in 1992 and the ratio gradually increased in 1997 and 2002 at approximately 31% and 39%, respectively. In 2002, the proportion of glass waste recycled place at 48% but the ratio was gradually down to 28% in 1997 and at 16% in 1992.
