The three lie charts below show the changes in annual spending by a particular UK school in 1981, 1991 and 2001.

The pie charts illustrate the changes in her annum expenditure by a specific United Kingdom school in 1981, 1991 and 2001. Generally, glancing through the three pie charts it is clear to say that, in all the years , personnel's salaries use most of the benefits

while

insurance occupies the least. In 1981, the total school amount used for teachers' income stood at 40% followed by other workers' salaries being 28%.

However

, resources like books , furniture and equipment recorded the same 15 per cent in that exact year.

Finally

, the guarantee took only 2% in 1981.

On the other hand

, total school expenditure for the year 1991 for teachers' salaries increased to 50%

while

in 2001, teachers' payments declined slowly to 45%.

Also

, other workers' earnings in 1991 reduced steadily to 22%

whereas

in 2001 other workers' wages hit a low of 15%.

Moreover

, furniture and equipment in 1991 reach a trough of 5% and in 2001 furniture and equipment plunged to 23% in the same year.

Last

but not least, resources like books increased gradually to 20%

while

in 2001 they decreased dramatically to 9%.

In contrast

, allowance on the other side increase a bit in 1991 with 3%

while

in 2001 coverage rose to 8%.