The pie charts iilustrate the differences in spending in one country in three different years:1981 , 1991,2001.Overall, a teachers’ salaries obtained the largest proportion from 1991-2001 .Conversely, the percentage of insurance had the smallest share.
In detail,from 1981 to 1991 a teachers’ salaries and other workers’ salaries accounted for approximately same numbers : 40 % and 50% ,28% and 22% ,respectively.In 1991 resources e.g. books constituted 20 % of spending , whearas,the quantities of furniture and equipment were 15 percent lower than resources e.g. books. Before 10 years, amount of money spent in resourses e.g. books and furniture and equipment were the same accounting for 15%.
In 2001,the most spending accounted for 45% and insurance had the smallest share obtaining 95%.Moreover, resources e.g. books had a similar share as a insurance ,obtaining above 1 percent.Other workers’ salaries and furniture and equipment accounted for 15% and 23%, respectively.