The pie charts depict the difference in the annual expenditure on various categories by the local authorities in Someland during 1980, 1990, and 2000.
Overall, Higher Education, Transportation, and Environmental services witnessed an upward trend throughout the period. The opposite was true for the other components during the examined years.
In detail, local authorities spent the most amount of money on Higher Education at all times, with 35% in 1980, 45% in 1990, and 40% in 2000. Also, Transportation accounted for a marginal 16% in 1980, despite a significant drop to a mere 6% in the subsequent year, the figure received a three-fold increase in 2000. Additionally, though comprising only a small proportion in 1980 with only 4%, the total sum of money spent on Transportation showed a gradual increase throughout the period and finally culminated in 2000 with 9%.
In contrast, K-12 Education consisted of a quarter percentage in 1980 before experiencing a slight drop to 20% in 1990 and 18% in 2000. Similarly, the expense on Health and Human resources also indicated a marginal decrease from 1980 to 2000 in spite of a minor increase in 1990 to 20%. Other spendings gradually declined from 6% in 1980 to a modest 1% in 2000.