The 3 pie charts below show the changes in annual spending by a particular UK school in 1981, 1991, and 2001.

The charts above depict the yearly expenses of some schools in the United Kingdom at three different times (1981,1991 and 2001).

It is clear that

teachers' monthly salaries remain the most expensive sector during those three years.

According to

what shown in the given graphs, funding for books and resources had been dramatically dropped from 15 per cent in 1981 to 9 per cent in 2001.

On the other hand

, the outlay of furniture had increased by 8 per in 2001.

Nevertheless

, the insurance funding faced the same fate. The growth in

this

section was 5% in 2001. Teachers' wages have shown some fluctuation over the years. In 1991 the teaching staff's salary uplift by 10%,

then

in 2001, it dropped again by 5%.

To sum up

, we could say insurance licenses and equipment had been given significant focus in 2001 compared to 1981.

While

other workers' salaries had decreased over the years.