The line chart illustrates the labour force employment in five economic sectors during the period from 1930 to 2010 in USA. These five economic sectors include industrial sector, sales and office, farming and fishing and foresting, technical sector, and other services.

The line chart compares the percentage of the workforce in 5 different economic areas from 1930 to 2010, which include industrial, sales and office, farming and fishing and foresting and so on.

Overall

, the number of people who were employed in industrial, sales and office and technical increased over the past 80 years,

while

the population in farming ,fishing and foresting decreased dramatically. It is

also

noticeable that employees in the remaining services were the most stable despite the fluctuation in the beginning period. Between 1930 and 2010, the percentage of employees in industrial and technical rose dramatically to approximately 38% and 30% respectively. The number of sales and offices

also

increased ,but much less significantly to just 20%.

By contrast

, the figure for employees in farming,fishing and foresting showed a downward trend, dropping sharply from 78% to nearly 3%

at the end

of the period in question.