The pie charts illustrate the proportion of residents in three different types of work:manufacturing,sales and services from town A and town B between 1960 and 2010.
Most strikingly,it is clear that the percentage of individuals who work in manufacturing in town B is always higher than others.Additionally,people in town A labour in manufacturing and sales decreased whereas the figure for services increased.
In town A,the proportion of the workforce working in manufacturing was highest at 41% in 1960,after that,it fell significantly to 20% in 2010.While the figure for labour working in sales was slightly lower at 30% higher than service in 2010 with 16%.At the same place,in 1996 and 2010 witnessed 29% and 64% of people working in service,respectively
In town B,the percentage of workforce from manufacturing was volatile by 70% in 1996 and 53% in 2010 and remained the highest figure in the chart,whereas the proportion of the people working in sales climbed slightly from 20% in 1996 to 22% in 2010.