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The supplied three pie charts illustrate the amount of yearly expenditure by a particular school in the UK in 1981, 1991 and 2001. As can be seen the pie charts, most of spending was paying for teachers.

In 1981, 40% of total spending was used for teacher's salaries then this rate increased to 50% in 1991. 10 years later, the percentage of expenditure on teacher's salaries dropped slowly, about 45%. The money spent on worker's salaries decreased significally during 3 years. The highest proportion was 28% in 1981, declined to 22% in 1991 and continous drop with 15% in 2001. The percentage spent on resources like books and furniture and equipment were the same with 15% in 1981. In 1991, the spending on resources considerally went up to 20% however the amount of money using for furniture and equipment was only 5%. After 10 years, 235 of total spending was for buying furniture and equipment while only 9% for resources like books.

The lowest proportion was insurance with 2% in 1981, 3% and 8% from 1991 to 2001.