The pie charts below show the proportion of the whole school expenditure in five differences sources over the periods between 1981 and 2001. v.2

The pie charts below show the proportion of the total school expenditure in five differences sources over the periods between 1981 and 2001. Overall, it is clear that most of the money spent on teachers’ salaries. Otherwise, the percentage of other workers’ salaries reduced gradually over 20 years. There was a slight increase in rates of insurance from 2% in 1981, 3% in 1991 to 8% in 2001. The spending on furniture and equipment dropped quickly from 15% in 1981 to 5 % in 1991 before reached the point of 23% in 2001. There was a small rise in the proportion of resources and books from 15% in 1981 to 20 % in 1991 before dramatic fall to 9% in 2001. The expenditure on teachers’ salaries climbed slightly from 40% in 1981 to reach a peak of 50% in 1991. In contrast, the spending on other workers’salaries reduced gradually from 28% in 1981 to 22% in 1991. In the next ten years, there was a continuous decrease, in the wages of teachers and other workers, from 50% and 22% in 1991 to 45% and 15% in 2001, respectively.