The three pie charts below show the changes in annual spending by a particular UK school in 1981, 1991 and 2001.

The three pie charts illustrate the changes in the annual spending distribution of a specific UK school in 1981, 1991, and 2001. In 1981, the largest portion of the

budget

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was spent on

teachers

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'

salaries

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, which made up 40%. The second biggest

share

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was for the

salaries

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of other

workers

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, at 28%. Spending on

resources

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and on

furniture

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and

equipment

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were

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was

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both 15%. The smallest part of the

budget

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, just 2%, was spent on

insurance

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. By 1991, the amount spent on

teachers

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'

salaries

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increased to 50%, making up the largest part of the

budget

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. The proportion spent on

resources

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and

furniture

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/

equipment

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were

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was

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almost the same, both at 20%. Other

workers

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'

salaries

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went down to 22%.

Furniture

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and

equipment

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spending dropped to 5%, and

insurance

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stayed the same at 2%. In 2001,

teachers

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'

salaries

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decreased slightly to 45%. The

share

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for

furniture

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and

equipment

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grew to 23%,

while

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the amount spent on other

workers

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'

salaries

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continued to fall, down to 15%. Spending on

resources

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went down to 9%, and

insurance

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remained at 2%.

Overall

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,

teachers

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'

salaries

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were the biggest expense throughout the period,

although

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the percentage slightly changed. The

share

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spent on

furniture

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and

equipment

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increased,

while

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the

share

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for other

workers

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'

salaries

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and

resources

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decreased.

Insurance

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was always a very small part of the

budget

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.