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, and make comparisons where relevant.

The bar chart illustrates the count of American families by their earnings for a year in the

years

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of 2007, 2011 and 2015.

Overall

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, it is seen that the majority of the

households

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earned above 100,000 dollars for a year and that

this

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count

raised

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has risen

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between

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over

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the

years

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.

On the other hand

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, the other four categories remained approximately the same in all of the

years

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. Around 30

million

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families in the US gained more than 100,000 American dollars in 2007.

This

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number slightly declined in 2011 and in 2015 there was a peak of more than 30

million

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households

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with that income. The lowest proportion of numbers of houses, fluctuating around 15

millions

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million

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, were paid between 75,000 and 99,999 dollars in all of the

years

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given. The number of

households

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with incomes in the gaps under 25,000, between 25,000 and 49,999, and between 50,000 and 74,999 remained around the same in all three

years

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. They were just about a quarter

million

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, slightly under 30

million

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and around 20

million

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households

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, respectively.