The pie charts above illustrate the proportion of total water consumption by various sectors in Sydney, Australia, from 1997 to 2007.
We can observe from the pie charts that the food industry accounted for the highest percentage of water consumption. Besides, there was a dramatic increase in the water consumption ratio by the service industry from 1997 to 2007.
In 2007, the food industry witnessed a slight decrease of 7%, and the building industry, which earlier used 5% of the total water in 1997, dropped its water consumption ratio to 2% in 2007. Meanwhile, the water consumption by the manufacturing fell significantly in 2007, at 11% respectively.
On the contrary, the service industry and household sectors dramatically expanded their water usage in 2007. The service industry surged its water usage from 13% to 25%. At the same time, the figures for household activities moderately rose from 19% in 1997 to 21% in 2007.
