Cách 1:
The pie charts compare five types of school expenditures in two years 1981 and 1991.
It is clear that the percentage of teacher's salaries was highest in both years. By contrast, the figure for insurance expenditure was by far lowest.
In 1981, teacher's salaries expenses accounted for the highest proportion, at 40% of the total school spending while other worker's salaries expensed was lower around a third (28%). The rates of resources e.g books and Furniture & equipment spent were a fifth, respectively. Meanwhile, only 2% of the total school costs belonged to Insurance.
In 1991, A significant increases can be seen in the percentage of teacher's salaries and remained the highest figure in the chart at a half. There were sharp decreases in the figure for furniture & equipment expenditure to 5%. The rates of resources e.g. books and Insurance rose slightly to 20% and 3%, respectively. School costs spent by insurance still remained the lowest figure.
Cách 2:
The two pie charts illustrate five types of school costs in 1981 and 1991.
Overall, in both years, the most significant expenditure were teacher's and other worker's salaries, which together accounted for over half the total school spending. On the other hand, Insurance expenditure was lowest 10 years period.
Teacher's salaries spent by school comprised of 40% in the first year and there were a significant increase of about a mere 10% to 50% in 1981. By contrast, other worker's salaries were the second highest figure for the total costs, at 28%, which decrease slightly to 22% 10 years later.
A dramatic fall of nearly 10% to only 5% in the rates of Funiture & equipment expenditure in both years. With the regard to the other types of school spending, there were slight increases in the proportion of resource e.g book and insurance to 20% and 3%, respectively. Insurance's spending remained the lowest figure.