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 charts illustrate the annual expenditure of UK schools in three different years: 1981, 1991, and 2001.

Overall

, a significant percentage of the budget was spent on

staffs’

Fix the agreement mistake

staff’

show examples

salaries,

while

insurance expenses accounted for the smallest among the five categories. In 1981, the largest portion of expenditure was allocated to wages for teaching staff, amounting to 40% of the total.

This

percentage increased by a quarter in 1991, reaching a peak before experiencing a slight decline to 45% in 2001. In comparison, in 1981, salaries of non-academic employees constituted 28% of the

overall

expenses.

However

, their share gradually decreased throughout the 20-year period, finishing at 15% in 2001. Insurance expenses

initially

made up only 2%, representing the least proportion.

Subsequently

, it remained stable during the first 10 years,

then

reaching its peak at 10% in 2001. The share of furniture and equipment commenced equally to that of educational resources,

both

Correct pronoun usage

apply

show examples

accounting for 15%.

While

the former dropped by two-thirds before rising almost fivefold to 23%, the latter witnessed a minimal rise before falling to just below 10 in 2001.