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 graph below illustrates the number of households compared to the salaries which took place in the US during three years that started in 2007 and finished in 2015. At first glance at the bar graph, the third group remained stable during the whole period. Another noticeable feature occurred in 2015, at that time, the gap between the fourth and fifth categories reached its peak.

To begin

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with, during 2007, on the one hand, the fourth class hit the lowest point;

on the other hand

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, the fifth class whose salary equals a hundred thousand or above hit the highest point. The category that takes under 500 thousand surpassed the first and third groups. After that in 2011, The second class equalled the highest number, and the fourth category remained in the lowest level.

Moreover

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, in 2015 the 4th group showed an upward and equalled approximately 33 Million,

while

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the second group slightly decreased and was less than 30 Million. On a final note, the second bar overcame the first one during the whole duration;

besides

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that, the third category surpassed the fourth one during the three years.