The chart below shows the number of households in the US by their annual income in 2007, 2011 and 2015. Summarise the information by selecting and reporting the main features, andmake comparisons where relevant.

The provide bar chart reveals the amount of

households

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in the US by the five categories of their annual

income

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in 2007, 2011 and 2015.

Overall

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, The

households

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earning at least 100,000 displayed the largest figure more than others in both of the three years. Meanwhile, the remainning brackests of

households

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presented the relatively steady feature, except to a noticeable fluctuation in 2011. More detail, the largest

group

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of

households

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with their

income

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range

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at least 100,000 presented the largest amount in the chart, with a

range

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of roughly 30% and about 35% in 2007 and 2015, respectively,

although

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there was a slight fluctuation in 2011.

In addition

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, in these three years, the middle

income

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group

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of

households

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with its earning

range

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between $5,0000 to 99,999, and the lowest

income

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group

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of

households

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of the

range

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no more than 49,999 displayed the lowest and second largest result, respectively.

However

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, in 2011, the amount of the lowest

income

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group

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was more than the largest

group

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, with its result of nearly 30%, which is more than the number of roughly 27% of the largest

group

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.