The graph below presents the employment patterns in the USA between 1930 and 2010. Summarise the information by selecting and report in the main features, and make comparisons where relevant.

The line graph illustrates five categories of labour force proportion in the United States over eighty years.  It is clearly seen that the percentage of employees in farming, fishing, and

foresting

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forestry

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declined sharply from 1930 to 2010,

while

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Americans tended to choose to get a job in the industrial field during the same period. During the 1930s, the agricultural industry was the first choice to fall into the labour force market, with just below 80%;

however

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, the proportions of sales and office, and other services were approximately 10%.

Besides

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, it was noticeable that at the same time, the technical and industrial fields proved a negligible amount. Inversely, in the 1990s, there was a significant change. The employment proportion of industry and husbandry crossed at around 30% equally,

while

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technical,

and

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apply

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sales and office slowly increased to around 20% and just underneath 20% respectively.

According to

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the curve graph, in 2010, the employees in the industrial field reached the peak with about 40%,

whereas

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the farming, fishing and foresting hit rock

with

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bottom with

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just over 0%.