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

The three pie charts describe the differences in utilities and allowances

in particular

UK schools during 1981, 1991, and 2001.

Overall

, The annual school spending showed significant change over a decade in various aspects especially insurance which showed a gradual improvement throughout the year

while

the other workers' salaries sharply decreased

at the end

of the year. Insurance, which experienced steady improvement compared to other sectors over the decennium began with 2% in 1981, 3% in 1991 and 8% in 2001 respectively.

Following

this

, the second leading most spent ratio was for teachers' salaries and furniture and equipment that accounted for 40% and 15% in 1981 and progressed and maintained to 45% and 23% in 2001 with fluctuation slightly in the middle of the year 1991 as peaked 50% in salary and sudden dip around 5% in utility before reaching larger. Resources like books and other workers' salaries dramatically became less

bothered

Wrong verb form

bothering

show examples

across

Change preposition

over

show examples

the years.

Thus

, books proportions as 15%, 20%, and 9% in 1981, 1991 and 2001 appropriately.

Also

, 28%, 22% and 15% in other workers pay in the years 1981, 1991, and 2001.