The pie charts illustrate the percentage of different types of waste disposal in a nation between 1960 and 2011.
Overall, there was an increase in the proportion of disposed metal, plastic, wood and food while people threw away less paper, textiles and other types of waste. In addition, green waste, glass and metal almost remained unchanged throughout the period.
In 1960, 25% of paper was discarded, after which it experienced a significant fall by 10% in the end of the period. Similar changes but to a lesser extent can be seen in the figures for textiles and other waste, started at 19% and 12%, followed by a slight decline to 11% and 4% respectively in 2011.
Regarding the remaining categories, the percentage of food and glass waste grew roughly by 10% compared to the other year. Similarly, the figure for wood was doubled over the 51-year period. Meanwhile, that of green waste, glass and metal showed nearly constant figures throughout the period, with green waste and metal stood at around 9%, doubled that of glass thrown away, at 5%.