The pie charts compare the proportions of workers in three industries between town A and town B from 1960 to 2010.
Overall, while the share of services increased significantly in both towns, the opposite was observed in the figures for manufacturing. By 2010, services overtook manufacturing to dominate employment in town A, whereas manufacturing remained the leading sector in town B.
In 1960, manufacturing accounted for the largest share of employment in town A, at 41%. Meanwhile, the figure for sales was 30%, almost identical to that for services, at 29%. In town B, the proportion of people employed in manufacturing was the largest, at 70%, substantially higher than 20% in sales and 10% in services.
In 2010, the figures for manufacturing and sales sectors in town A dropped by half, reaching 20% and 16%, respectively. Despite a decline of 12%, manufacturing was still the dominant employment sector in town B. By contrast, there was a small rise in the percentage of employees in sales, with 22% of people working in this field in 2010.
Regarding the figures for services, a significant growth in employment was seen in both towns in 2010. In particular, while the share of services more than doubled to 64% in town A , the corresponding figure in town B rose to 25% in the same year.