The given bar and pie charts provide a breakdown on recycling methods and recycling rates in Eutopia between 1980 and 2000. Overall, waste collected at households accounted for the largest proportion, while a majority of it was left untreated in the same period.
Regarding the methods to collect waste, those collected at households invariably ranked first despite a slight decline from 78% in 1980 to 75% in 1990, before dropping further to 72% in 2000. Following this, 12% of waste taken to recycling stations in 1980 rose moderately to 18% to stabilize in 1990 and 2000, when it remained the second place. While the proportion of waste returned to suppliers or producers fluctuated between 5% and 8% in the given period, the figure for other methods fell negligibly from 3% in 1980 to 2% in 2000, making these methods the third and least common, respectively.
In terms of the distribution of recycling waste, untreated waste constituted 93% of the total collected waste in 1980, as opposed to a minority of 7% of treated waste. In 1990, the percentage of unrecycled waste witnessed a noticeable drop to 78%, making the figure for recycled waste increasing to 22%. Similarly, a constant decrease was recorded in the portion of untreated waste, with 67% left in 2000, compared to a remarkable rise to 33% of treated waste.