Band 9: The graph shows average annual expenditures on cell phone and residential phone services between 2001 and 2010. Summarize the information by selecting and reporting the main features, and make comparisons where relevant. Write at least 150 words.

The provided line graph illustrates the average annual expenses on cell phone and residential phone services spanning the years from 2001 to 2010.

Overall, during the decade under consideration, there was a contrasting trend in expenditures between cell phone and residential phone services.

Notably, while average annual spending on residential phone services saw a consistent decline from approximately $700 in 2001 to below $400 by 2010, expenses on cell phone services exhibited a growth pattern, starting at about $200 in 2001 and steadily climbing to over $700 by 2010.

In 2006, there was a point of intersection where expenditures on cell phones and residential phones were equivalent; however, this did not alter the trajectory of residential phone expenses, which continued to decline annually, contrary to the persistent increase seen in cell phone expenditures. The peak expenditure for cell phones in 2010 stood at $750, in stark contrast to the rock-bottom figure of $450 for residential phone services at the same period.