The diagram gives information about four types of the waste collected by a recycling centre throughout 4 years since 2011.
Overall, paper was the main type of waste collected by the recycling centre throughout the period, while the amounts of glass, tins, and garden waste showed fluctuating growth.
In 2011, paper was the most collected category, with approximately 57 tons. However, its amount declined noticeably in 2013, reaching around 40 tons, which meant it was no longer the leading type of waste that year. Despite this fall, the figure rose sharply in the following years and peaked at 70 tons in 2015, making it the most recycled trash. In contrast, garden waste began at around 32 tons in 2011, then experienced a significant drop to just 18 tons in 2012.After that, it showed a steady increase, showing about 35 tons in 2015, slightly higher than its first level.
Regarding glass, the amount collected was around 48 tons in 2011. In 2013, it rose to nearly 49 tons, making it the most collected type of waste that year. By 2015, the figure slightly increased by showing 52 tons. The collection of tins began at about 35 tons in 2011 and then slightly decreased to around 22 tons in 2012. However, it noticeably increased in the following years, reaching 39 tons in 2015.