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, an make comparisons where relevant.

The bar chart demonstrates the numbers of families in 5 ranges of their salary in the three

years

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2007,2011 and 2015 in the US. The start of the range is from less than 25000$ to more than 100000$.

Overall

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, less number of people are in the range of 75000$ to 99999$.

In addition

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, the part of society which had less than 250000$ increased steadily.

Firstly

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, the main portion of the country was for the highest income range but it decreased in the next 4

years

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and in 2015 it rose again and became more than 30

millions

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million

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.

In contrast

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, the part of people who had around 25000 to 49000 dollars increased in the first four

years

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and

then

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had a drop in the next period.

On the other hand

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, there were some items that were constant

such

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as the ratio of people who had the second place of income over the first place. Approximately, it was around half of the first place and it remained steady during

this

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years

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.