the provided pie chart displays data on annual spending of a School in the UK from the year 1981 to 2001
Overall ,it can be seen that the highest percentage was teachers salaries,while insurance accounts for the lowest portion .
At the begining teachers salaries accounts for 45% in 2001,which is significantly higher than furniture and equipment and at 23%.meanwhile other workers salaries stand at 15% ,representing a moderate level ,while resources e.g.books and insurance record 9% and 8%.the shows clear variation among all catagories in the initial year.
As time progresses,teachers salaries gradually increases to 50% by 1991,reflecting a steady trend.in contrast,other Workers salaries shows a consistant fall,ending at 22% ,resources e.g.books experience minor fluctuations throughout the period ,finishing at 20% .similarly ,furniture and equipment and insurance undergo slight changes,indicating subtle but clear
