The graph below shows US consumers' average annual expenditures on cell phone and residential phone services between 2001 and 2010.
The line graph compares American consumers' average yearly spending on mobile phones and landline phones between 2001 and 2010 .
Overall , it can be seen clearly from the chart that residential phone services witnessed a downward trend from 2001 to 2010 , while cell phone services went up sharply during the same periods . However , In 2006 , there was a same pattern between mobile phones and landline phones .
To begin with , In 2001 , the average spending figure for residential phone services started at the highest point ( approximately $700 ) while that of mobile phones only accounted for $200 . Over the following 5 years , the yearly spending on landline phones saw a dramatical decline , whereas there was a sharp growth in cell phone services . In 2006 , average American expenditure on cell phones and residential phones shared the same figures at around $500 . In the year of 2010 , the expenditure of American on landline phones droped by approximately $300 , from $700 in 2001 to nearly $400 in 2010 ; in contrast the Americans' outlay on cell phone services reached a peak at about $750 , which is about 3 times higher than that in 2001 .
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