The pie charts demonstrate the proportion of employees in three sectors (manufacturing, sales, services) in Town A & B over a period of two years, in 1960 and 2010. Overall, the data delineates noticeable changes in all three sectors, in both cities between the two timelines. In 1960, the highest percentages of workers were occupied in the sales in both areas. However, by 2010, the manufacturing sector surpassed the sales in Town A, although the sales remained in its preeminent position in Town B even facing substantial decline in the proportion of employees.
In 1960, the sales sector accounted the highest number of employees (41%) in Town A, followed by service and manufacturing sector with relatively minor variations (30% and 29%). By 2010, the manufacturing sector of Town A experienced a surge in its employees’ proportions, reaching the highest with 64%, whereas the sales sector exhibited a significant decline, losing it leading position with just about 20% employees. The percentages of employees in the service sector also experienced a decreasing trend, nearly half of its previous proportions, about 16%.
In case of Town B, the manufacturing sector had around 70% of employees, boasting as the predominant working area, followed by service (20%) and manufacturing (10%) sectors. By 2010, the manufacturing sector prevailed with its highest proportion of workers, although facing a substantial decline. Manufacturing sector, on the other hand experienced notable rise 25% workers in the field, followed by service sector with 22% workforce.