The three pie charts below show the changes in annual spending by a particular UK school in 1981, 1991 and 2001. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

There are changes in annual spending by a particular school in 1981, 1991 and 2001 in terms of teachers'

salaries

, insurance, furniture and equipment, resources, and other workers'

salaries

.

During

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In

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in

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apply

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1981, teachers'

salaries

is 40% which

increase

in 1991

with

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to

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50% and decrease again in 2001

with

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to

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45%.

While

the

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insurance is 2% in 1981 which

increase

in 1991

with

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to

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3% and

increase

dramatically in 2001 with 8%.

On the other hand

, furniture and equipment is 15% in 1981 which decreases in 1991

with

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to

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5% and gradually

increase

with

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to

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23%.

Furthermore

, the resources in books in 1981 was 15% which became 20% in 1991 and decrease in 2001

with

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to

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9%.

Lastly

, other workers'

salaries

is 28% in 1981 which became 22% in 1991 and decreases in 2001

with

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to

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15%. In conclusion, insurance was increasing through the years

while

the rest

are

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is

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decreasing.