The pie charts compare the yearly expanse by a certain school in England in three different period (1981,1991, and 2001)
Overall, it is clear that teacher salaries became the largest portion of spending in all three years, While the insurance category experience the smallest portion of expenditure in each period. The other categories such as spending on other workers saw a drop by the end of the period while the rest of the categories were received a various expense.
To begin with, in 1981 teacher salaries was the largest spending accounted for 40% of the total budget, which, increase to 50% ten years later before decrease slightly to 45% in 2001. Following this the second largest of spending was other worker salaries in 1981, 28%; however, this dropped over time to 22% in 1991 and decrease further to 15% in 2001.
In contrast, insurance receive the smallest amount of budget over the years. Which only reaching the highest 8% of the total budget. Meanwhile, the other two spending on furniture and equipment Aswell as resources such as books fluctuated. Furniture and equipment accounted for 15% in 1981, drop sharply to 5% in 1991 but then rose again to 23% in 2001. Resources such as books also varied, starting at 15% in 1981 rising to 20% in 1991, and then decreasing rapidly to 9% in 2001.