The pie charts illustrate the proportion of water consumption among five sectors in Sydney, Australia in 1997 and 2007.
It is clear that the food industry used the highest proportion water in both years, while the building industry consistently accounted for the lowest share.
In 1997, food industry consumed the largest share of water, approximately at 48%, followed by household use at 19%. Manufacturing, service industry, and building industry made up smaller proportions, at 15%, 13%, and 5% respectively. Food consumed almost half of water, which was more than double the share of household use.
By 2007, the pattern had changed significantly. Food had remained the largest consumer, falling to 41%. Service industry had become the second largest consumer, almost doubling to 25%. Household use rose slightly to 21%, while manufacturing fell to 11%. Building industry, on the other hand, decreased to 2%, and it remained the smallest category at only 2%. The most dramatic change was the service industry, which increase by 12%.
