The bar chart illustrates the amount of garbage collected by a recycling facility over a five-year period from 2011 to 2015.
Overall, all four categories showed an upward trend, albeit to varying degrees. Notably, the amount of paper waste experienced the most significant increase throughout the period, whereas the figures for glass, tins and garden waste fluctuated modestly.
In 2011, the amounts of paper and glass waste collected were 57 tons and 48 tons, respectively. The quantity of paper waste collected hit a trough of only 40 tons in 2013 before rising to a peak of 70 tons in 2015. Meanwhile, the figure for glass fluctuated moderately throughout the period, finishing at 52 tons.
There were fluctuations in the amounts of tin and garden waste collected over the period. Both figures experienced a moderate decline from 35 and 31 tons in 2011 to 27 and 15 tons in 2012. A noticeable increase was observed by 2015, with their respective figures reaching 39 and 35 tons.