The line graph below shows US consumers' average annual expenditures on cell phone and residential phone services between 2001 and 2010.

This

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chart depicts the spending on residential and cell phone services in the United States from 2001 to 2010.

Overall

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, we can see that cellular expenses have only increased, whilst residential costs have decreased over the past decade.

Firstly

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, we can observe that cellular spending has quadrupled in value, starting at $200 in 2001 and reaching $800

at the end

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of the decade.

This

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gain was mostly stable, with the expense increasing by $100 each year. Only two years have been an exception, 2002 and 2007, having almost no rise in price during these periods. We can

also

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observe that residential costs have only reduced by $300 in total value, going from $700 at the beginning of the 21st century to $400 in 2010.

Similarly

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to the cellular line,

this

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drop has been uniform, losing roughly $50 a year. A few exceptions include 2006, when the line plummeted from $650 to $550, and 2007, when the decline was nonexistent.