The bar chart 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 provided illustrates information about the number of

families

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families'

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yearly income in the United States in the years 2007, 2011, and 2015, estimated in millions.

Overall

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, households that earn less than $25,000 and between $25,000 and $49,999 were the most in the US,

while

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those that earn $50,000-$74,999 and $75,000-$99,999 were the lowest in the US. In 2007, households with annual income exceed $100,000 experienced a popularity of US families by approximately 30

million

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and they faced a slightly decrease in 2011 around 3

million

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,

then

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they end the period with dramatic grew that hit the sky at more than 30

million

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,

similarly

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with households families that earn between $25,000 and $49,999 they faced a steady fluctuation but keep them the second in the term of annual income.

On the other hand

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, residents who get $50,000-$74,999 and $75,000-$99,999 each year they remain consistent at approximately 20 and 15

million

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respectively

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, respectively

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throughout

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, throughout

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the period.