The pie chart provides a comparative analysis of expenditure by local authorities in Someland in 1980, 1990 and 2000. The data is measured in percentages. Overall, it is immediately apparent that there are significant disparities among the categories. The most prominent feature is that higher education in three years recorded the largest share, while others represented the smallest portion.
Delving into the specifics, higher education in three years clearly dominated, with a share of 35% in 1980, 45% in 1990, and 40% in 2000. This was followed by K-12 education, which accounted for 25% in 1980, 20% in 1990, and 18% in 2000. Another category, transportation had moderate values around 16% in 1980, 6% in 1990, and 22% in 2000. In stark contrast, others represented the smallest proportions, at merely 6% in 1980, 4% in 1990, and 1% in 2000.
Furthermore, it is noteworthy that the figure for environmental in 1980,1990, and 2000 services were remarkably different, at 4%, 5%, and 9% respectively. This suggests different level of contribution between them.
In summary, the chart effectively highlights in the inequalities in expenditure by local authorities in Someland in 1980, 1990 and 2000, with higher education taking up the largest share and others remining minimal.