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The three pie charts compare the expenditures of a UK school in three separate years.
For all three years, teachers' salaries took the biggest portion, and insurance was the least part. Also, being different from other categories, (the) rates of resources and furniture and equipment cartegories changed a lot every year.
To be specific, teacher's salaries took from 40% to 50% each year, and was always the most beggies biggest portion of the budget. The proportion of other workers' salaries was 28% in 1981, and it continued to decreased in 1991 and 2001, finally reaching reached to 15%. (continued to 에 맞춰드리려고 저렇게 바꿨습니다. 다른 방식으로의 수정도 가능했고요.) However, the figure for spending for resources such as books was 15% in 1981, but saw an increase to 20% in 1991, however it fell down significantly to 9% in 2001. On the other hand, the expenditure for funiture and equipment also reluctanted in opposit way of the figure of resources, it was 15% in 1981, but dropped to 5%, and finally went up a lot to 23% again in 2001.
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