The presented three pie charts give data on changes in annual spending by a particular UK school in three different years: 1981, 1991 and 2001.
It can be clearly observed that the most significant amounts paid for teachers (almost a half of school expenditure in all three periods) were as non-academic employee’s salary were considerable proportion (but their dates were descending order) the first year it started with 28 percent and finished at 15 percent in 2001. In comparison to furniture and equipment was initially as high as education sources (15 percent). However, next decade, former dipped markedly to 5 % while the latter increased slightly to 20 %. Although last year both rates suddenly changed to opposite. Namely, furniture and equipment figures climbed substantially to 23 percent were as educational resources abruptly fell to 9 % in 2001. Lastly percentage of insurance stood at 2 percent and it went up gradually until 8 percent in last year.
Overall, according to 3 pie charts, over the 70 percent school expenditure belonged to salary of kind of staff.