Thân mến.

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

The teacher's salaries were fluctuated across the period. It started from 40% in 1981, followed by 50 % in 1991 and reduced to 45% in 2001. Resources such as books experienced a similar pattern. In 1981, it occupied 15% of the spending and it rose to one fifth in 1991 before dropping to 9% in 2001.

Other workers' salaries had been decreasing over last three decades, which reduced from 288% in 1981 to only 15% in 2001. On the other hand, more money had spent on insurance. It first rose by 1% to 3 % in 1991 and then dramatically climbed to 8% in 2001. Furniture and equipment also increased from 15% in 1981 to 23% in 2001, despite the fact that it declined by 10% in 1991.

Overall, teachers and other workers' salaries, furniture and equipment were the highest expenses of the school for the last 30 years.

In 1981, it had occupied 15% of the spending and it rose to one fifth in 1991 before dropping to 9% in 2001.

Three charts provided compares the total expenditure including 5 various different amounts of a UK school in three year 1981, 1991, and 2001.

It is evident that there were different changes amongst 5 types of spending in 3 given years. 

With 40% in 1981, 50% in 1991 and 45% in 2001, teachers' salaries constituted the highest proportion of total expenditure, whereas insurance accounted for the lowest percentage ranging from a mere 2% to 8%. In contrast with the increase of insurance, other workers' salaries decreased gradually from 28% to 15% in 20 years.

Meanwhile, two other types of expenditure experienced different fluctuations. After a noticeable increase of 5% in 1991, the percentage of spending for resources books dropped dramatically to just under a tenth in 2001. By contrast, the proportion of total amount for furniture and equipments witnessed a sharp fall of 10% in the first ten years, then surged to under a quarter in 2001.

It is clear that teachers’ salaries made up the largest proportion of the school’s spending in all three years (1981, 1991 and 2001). By contrast, insurance was the smallest cost in each year.

In 1981, 40% of the school’s budget went on teachers’ salaries. This figure rose to 50% in 1991, but fell again by 5% in 2001. The proportion of spending on other workers’ wages fell steadily over the 20-year period, from 28% of the budget in 1981 to only 15% in 2001.

Expenditure on insurance stood at only 2% of the total in 1981, but reached 8% in 2001. Finally, the percentages for resources and furniture/equipment fluctuated. The figure for resources was highest in 1991, at 20%, and the proportion of spending on furniture and equipment reached its peak in 2001, at 23%.

- Over a 20-year period

Over the 20-year period

- In three different years

In all three years

- Expenditure/ Spending

Expenditure of X (a school)

Expenditure on Y (insurance) + verb

The proportion of the school’s spending + verb

The proportion of spending on X (other worker’s wages/ on furniture and equipment) + verb

The percentages for X and Y + verb

- Cost – school budget

Salaries – wages

- The figure for + noun (resources)

This figure + verb (rose to)