The four pie chart illustrate the proportion of people who work in manufacturing, sales, and services in town A and town B between 1960 and 2010.
Overall, the proportion of people choosing in services of town A was highest, while the figure for manufacturing in town B was highest. In addition, the percentage of manufacturing was higher than any of the other sections.
Looking at the pie chart for more detal, in 1960, the proportion of people who work in services in town A was 29% in comparison with only 10% in town B. Meanwhile, the figure for manufacturing represented 70% and 41% in town B and town A respectively. In town A, the percentage of people working in sales stood at 30% compared with 20% in town B.
In 2010, the figure for services in town A increased significantly, to 64% total sections, whereas the figure in town B went up marginally (25%). By contrast, the percentage of people who work in manufacturing was almost decreased remarkably in both town, in 20% and 53% respectively. The proportion of people working in sales in town A decreased slightly ( to 16%) while the corresponding proportion in town B increased to 22%