The line graph provides data about the amount of the average yearly spending on cell phone and residential phone services between 2001 and 2010,over the period of 9 years.
Overall,what stands out from the graph is that the figure for residential phone services experienced a significant growth while the expenditure on cell phone services declined significantly. Residential phone services was spent most at the end of the period,in question.
Looking at the details,as for the annual expenditure on residential and cell phone services,while the former,starting at $200,witnessed a gradual rise of about $350,reaching just under $550,the latter saw the amount of spending fall to about $550 in 2006 when the expenditure on both services was the same.
If we look at the years from 2006 to 2010,a 4-year period saw the expenditure on cell phone and residential phone services increase to about $750 and decrease to $400 in 2010,respectively.