The bart chart illustrates four types of domestic waste— plastic, paper, glass, and cans—were recycled from 1997 and 2007 in one city. The date is measured in percentages.
Overall, recycling patterns in all sorts of waste showed noticeable growth, except from plastic which remained relatively stable over the examined period. Additionally, the most noticeable change observed in the recycling of glass.
In 1997, plastic had a market share of approximately 13 percent after that, it remained relatively steady until the final year. Meanwhile, paper initially had a market share of roughly 29 percent, but it experienced a stable increase until 2002, reaching around 40 percent.
By contrast, recycling of glass, which had nearly 34 percent in 1997, experiencing continuous growth, outpacing all other waste types by the end of the period. By 2000, the figure reached a peak of 50 percent. Additionally, cans started at around 17 percent and then witnessed an upward trend, ending at just 30 percent by the conclusion of the period.