The charts mentioned above illustrate data about the rate of workers in various majors in town A and town B, surveyed in 1960 and 2010.
Generally speaking, in two town, there were a huge growth for services and declined significantly in manufacturing and sales in 1960 and 2010. In town A, the service industry increased sharply, while sales and manufacturing tended to decrease. In town B, the highest proportion were manufacturing industry in 2010, and service industry also increased.
According to town A, in 1960, manufacturing stood out as the common majors with 41%, while the percentage of workers in sales and services almost equal (30% and 29%, correspondingly). Next, services tended to growth sharply, it peaked at 64%, were becoming the highest rate workers. Specifically, manufacturing shrunk to 20%, followed by sales with 16% in 2010.
To begin with town B, manufacturing dominated with 70%, and sales with 20% double times to services only 10% in 1960. Yet, in 2010, despite many changes, manufacturing were still leading in terms of workers(53%) after reduction, followed by sales slightly increased to 22% and services grew significantly to 25%, more than doubling from 1960.