The pie charts compare the proportions of different types of household waste in 1990 and 2007.
Overall, kitchen and organic waste was the largest category in 1990, whereas by 2007 it had become the smallest. In contrast, the proportion of paper waste increased dramatically and became the dominant type in 2007.
In 1990, kitchen and organic waste accounted for the largest share at 35%. Paper was the second biggest category, making up 24% of total household waste. Plastic and glass both represented 8%, while dust and cinders accounted for 7%. Smaller proportions were recorded for metals and wood, at 5% and 4% respectively, and textiles made up the smallest share at 4%.
By 2007, the composition of household waste had changed significantly. Paper became the leading category, rising sharply to 42%. Kitchen and organic waste, on the other hand, fell dramatically to just 5%. Glass and miscellaneous waste accounted for similar proportions, at 16% and 17% respectively. Plastic remained unchanged at 8%, while textiles and metals decreased slightly to 3% and 4%. Wood showed a small increase, reaching 5%.