The given pie charts illustrate the proportion of used water in various sectors in Sydney, Australia, in 1997 and 2007.Overall, it is clear that the food industry consumed a significant amount of water in both years, whereas the building industry used very little.
The food processing industry initially accounted for nearly half of total water consumption (48%); by 2007, the number dropped to 7%. Despite that, this sector remained a major consumer of water in Sydney. On the other hand, in 1997, 5% of water belonged to the building industry; next year, it constituted a mere 2%.
The service industry’s water consumption constituted 13% in 1997; that proportion approximately doubled (25%) after a decade. The household sector also saw a 2% increase in water use, which had previously been 19%.Lastly, manufacturing industryʼs water usage experienced a decline from 15 %to 11%.