The three pie charts below show the changes in annual spending by a particular UK school in 1981, 1991 and 2001.

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pie charts illustrate changes in the amount of money spent on a yearly basis in a UK school in three different years.

Overall

, teachers’ salaries accounted for the largest proportion,

while

for insurance,

this

figure constituted the smallest share. In 1981, the budget spent on teachers’ salaries was 40%, after which

this

figure slightly rose to 50% in the following ten years before dropping to 45% in 2001. In a similar fashion, people spent 2% on insurance in 1981, at which point expenditure for

this

category increased fourfold in 2001, at 8%

Conversely

, spending on other workers’ salaries witnessed a downward trend, from 28% to 15% during the given period. Turning to the remaining sectors, after resources climbed from 15% to 20%, it fell to only 9%.

In contrast

, money used for furniture and equipment significantly dropped from 15% to 5%, followed by a sharp rise to 23% in 2001.