The pie charts depictes the proportion of laymens indulged in different sectors in town A and town B from 1960 and 2010.
It is evident that in Town A services sector became popular in 2010, whereas manufacture was dominating in 1960. However, in Town B manufacturing related jobs were in high demand in both years.
In detail, Town A in 1960 had 29% in Services sector, 30% in sales sector and 41% in Manufacturing sector, which was highest among others. After 50 years in 2010, Services sector increased at 64%, whereas Sales and Manufacturing sector significantly dropped to 16% and 20%, respectively.
Furthermore, Town B in 1960 had just 10% in Services sector, which was lowest than in Town A, followed by Sales sector, which also reduced by 10%, however Manufacturing sector was at 70%. Moving to the year 2010, Services sector slightly rose at 25% and Sales sector surged by 2%. It is clearly seen that Manufacturing sector decreased by 12%, but it was the dominating sector in both years.
