Three pie charts below show the changes in Spending by a perticular UK school in 1981,1991 and 2001.

The three pie charts illustrate some information about yearly expense fluctuations in a particular British school in 1981,1991 and 2001.

Overall

, the teacher's salaries remained the biggest spending throughout the period.

However

, the opposite was true for insurance. To be more specific, in 1981, 28% of expenditure was accounted for other worker's salaries which

was

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then

slightly declined to reach

bottom

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the bottom

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highest point at 15% in 2001.

Moreover

, insurance took 2% of

payout

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the payout

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in the first 2 decades and

then

climbed up by 5% in the year 2001. The UK school expended exactly

same

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the same

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amount of money on resources and furniture and equipment at 15% in 1981 and later, the former rapidly went down by 10% and the latter rose by 5%. Teacher's salaries expense was 40%,50% and 45% making it the highest spending in 1981,1991 and 2001 respectively. 20% of spending in 1991 and 9% of expenditure in 2001 were accounted for resources.