The graph below presents the employment patterns in the usa between 1930 and 2010

The line graph illustrates the proportion of USA labour force Employment in the year from 1930 to 2010.

Overall

, it is clearly seen that in farming, the percentage of employees in fishing and foresting was the highest at the beginning of the period and the lowest

at the end

of the period.

To begin

with, all labour force in given employer was under the 20% until 1980 except farming, fishing and foresting. After 1980, the Industrial steadily grew and reached 25% in 1990,

then

continue

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continued

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to increase to about 30% and remained it until 2010.

Moreover

, Technical and sales and office experienced almost 5% in 1930 and after a little growth in percentage in 1970 and 1980, both arrived at approximately 18% in 1990,

then

a slight surge of increasing in technical at about 28% in 2010.

However

, sales and office stayed under 20% until 2010.

On the other hand

, other services accounted for almost 15% in 1930, after a slight

rising

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rise

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in 1940 to about 18% stable at 15% until 2010.

Furthermore

, Only farming, fishing and foresting were the largest proportion 75% from the beginning of the period to 1990 to 28%, after constantly decreasing it reached 5% in 2010.