The given pie charts illustrate the replaces in yearly expending by local government in Someland, which are Higher Education, K-12 Education, Transportation, Health and human resources, Environmental services and others between 1980 and 2000.
Overall, it can be seen that the changes in annual spending by local authorities in Someland, the maximum was Higher Education at 45% and the minimum was 1% for others between 1990 and 2000 over the time.
Looking at the charts in more detail, it is evident that the Higher Education dramatically grew 10% from 35% to 45% between 1980 and 1990, after that it dropped to 40% in 2000. The K-12 Education at 25%, but it declined to 18% given the years. The Environmental Services were slightly increased 5% from 4% to 9% between 1980 and 2000.
However, turning to the remaining information it is clear that the Transportation was 16% in 1980, but it dropped to 6% in 1990, then significantly rose 16% from 6% to 22% between 1990 and 2000. Others expanded at 6%, but it slightly decreased to 1% over the periods.