The three pie charts below show the changes in annual spending by a particular UK school in 1981, 1991 and 2001.
Summarise the information by selecting and reporting the main features, and make comparisons where relevant.
The given pie charts give information on the spending of a UK school in three different years with the 10 years interval starting from 1981.
According to the given data, in 1981 the UK school’s 40% expense was for teacher’s salary while 15% expenses were both for the school equipment and for other resources like book. 2% of it expenses was made for the insurance and remaining 28% was for the other staff’s salary. After 10 years the expenses in teachers’ salary increased by10% while the expenses on school furniture reduced by 10%. Resources and books related expenses increased by 5% while other staffs’ salary decreased by 6% this year. Only one percent expenses increased for the insurance.
In 2001, the expense of this school in this year was 45% for the teachers. The insurance cost increased to 8% while the furniture related expenses increased to 23% and staff salary and resource purchasing expenses decreased to 15% and 9% respectively.