The given pie charts provide information about the proportions of residential water usage for different purposes, which including kitchen, garden, bathroom, toilet, and washing clothes in 1980 to 2008, over a period of 28 years. Units are measured by percentage.
Overall, it can be seen that the kitchen had the highest percentage of water use, while the water use of garden was the lowest figure.
In the beginning, in 1980, the proportions of water use for kitchen stayed about 15%, it increased to double 30% in 2008. However, the garden was a least proportions about 20%, which followed a decline to 8% in 2008. And then, the residential water use for bathroom was 25%, reaching 29% in 2008.
In addition to this, the estimates of living water use for toilet had 18%, which witnessed a decrease to 14%. Finally, the washing clothes uses 22%, and it decreased to around 19% in 2008.
