The charts below show the proportion of income spent on different areas by one university in 2005 and 2015

The given two pie charts compare the information about the percentage of income for six main categories in a university between 2005 and 2015. Overall, it can be manifested that the university spent the most money on teaching and research which was highest percentages in both years. However, there was a noticeable disparity among other aspects of the charts. According to the presented details, the rate of teaching and research was the biggest compared to the other factors between 2005 and 2015, at more than half and 48% respectively. In 2005, the figure of income investigated in accommodation was 16% of the total and it was halved in 2015. In contrast, administration and management indicated the smallest proportion of the total in 2005, after which it increased gradually from 6% to 16% in 2015. Likewise, the percentage of libraries was 10% in the first year and this showed a double reduction in 2015 while the rate of money used for maintaining campuses stabled at 10% in both charts.