The three pie charts below show the change in annual expenditure for a specific UK school in 1981, 1991 and 2001.

The three pie charts illustrate the difference percentage-wises of total school spending in the UK between three years (in 1981, 1991 and 2001) Overall, during the all periods, the most significant sources of cost were teacher’s salaries, which together were accounted for over by hundred the proportion of wages, whereas the sector of insurance in all graphs, had the least amount of money in 1981, 1991 and 2001. In 1981, the resources e. g books was 15%, until the next ten years, this showed a small minority increase to 20% of that, and after which observed an insignificant growth by 3% in 2001. At the same position, the insurance was gradual rise by 6% in the whole chart. In addition, there were indicated a drop of other’s workers salaries that fall approximately a half percentages from 28% to 15%. Likewise, the total of furniture and equipment were fluctuate and showed a decrease in one ten in the first ten years, afterwards a significant rose made up seven out of ten proportions in 2001.