You should spend about 20 minutes on this task. Write at least 150 words. 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 comparison where relevant.

The pie charts illustrate changes in the amount of money spent on different categories in a year by a particular school in the United Kingdom during 1981, 1991, and 2001.

Overall

, teacher's

salaries

recorded the highest proportion of expenses,

whereas

insurance allocated the lowest amount. As for the expenses related to teacher's

salaries

, 1991 is the leading year, with nearly 50% of the contribution to school spending ,slightly outperforming 2001 at 45%. These are higher than the amount of spending on teacher's

salaries

in 1981 at 40%. During these three years, other worker's

salaries

were the second category that allocated one of the most expenses at 28%, 22%, and 15% in 1981, 1991, and 2001, respectively. Regarding other different school spending, resources had remained at the same shares with furniture and equipment in 1981 at 15%,

while

in 1991, it changed modestly with 20% for resources and 5% for equipment.

However

, in 2001, furniture and equipment stood at the second level in terms of spending at 23%,

while

the percentage of spending on resources decreased to roughly 9%.