The pie chart below show the percentages of waster used in different sectors in Sydney,Australia in 1997 and 2007

The given pie charts compare the various purposes of

water

usage

in Sydney and Australia over the period of 1997 and 2007.

Overall

,

it is clear that

a large percentage of

water

was used in the food

industry

and households,

while

the smallest amounts were used in building and manufacturing. As the chart reveals, in 1997, the greatest proportion of

water

usage

was in the food

industry

at 48%, which decreased steadily to 41% in 2007.

However

,

water

usage

in the service

industry

was 26% in 2007, which was twice as high compared to 13% in 1997. Turning to the smallest figure, it was in the building

industry

, at just 5% in 1997, which decreased to 2% in 2007.

Water

usage

in households remained approximately the same at 19% and 21% in 1997 and 2007, respectively.

Moreover

, there was little change in manufacturing, which was at 15% in 1997 and dropped sharply to 11% in 2007. I corrected grammar, spelling, and punctuation errors for clarity and readability

while

keeping the original meaning intact. Let me know if you'd like to adjust anything

further

!