操作方法
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.
The three pie graphs indicate the changes in expenditure of a UK school in three separate years – 1981, 1991 and 2001.
As we can see from the three charts that teachers’ salaries constituted the largest percentage of total expending. To be more specific, it increased from 40% in 1981 to 50% in 1991, and then slightly decreased to 45% in 2001. While other workers’ salaries dropped drastically from 28% in 1981 to 15% in 2001.
Meanwhile, the expenditure of resources sun as books went up from 15% in 1981 to 20% in 1991, but significantly decreased to only 9% in 2001. The furniture and equipment spending also went through a modest fluctuation. It decreased to only 5% in 1991 but rose dramatically to 23% of the total school spending in 2001.
There was a steady increase in insurance expenditure which grew from 2% in 1981 to 8% in 2001.
All in all, teachers’ salaries dominate the largest spending to the school. The spending of furniture and equipment and insurance increased dramatically, while there is a rapid drop in other workers’ salaries and resources such as books.