The provided pie chart gives information on the proportions of water utilized in different sectors in Sydney, Australia, in the years 1997 and 2007.
From an overall perspective, it is evident that the amount of water used by the service industry and households increased, while the opposite was true for the remaining categories. Of particular note, the food industry was dominant in the utilization of water, whereas the reverse held true for the building industry in both years.
Looking into the details, the percentage of water used by the food industry, which ranked first, stood at just below half in 1997. Following this, the proportions of water used by the service industry, manufacturing, and households were quite similar, making up 13%, 15%, and 19% each in turn. In stark contrast, the building industry accounted for the lowest rate.
Regarding water usage in 2007, the building industry comprised just 2%, and the distributions for the service industry and households constituted one-fourth and 21%, respectively. Furthermore, the share of manufacturing was just above one-tenth, whereas that for the food industry was said to be 41%.