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

The line graph depicts the average years of spending by US consumers on cell services and residential mobile services from 2001 to 2010.

Overall

Linking Words

, spending money on cell services has increased a lot over

this

Linking Words

time. And spending on residential phones has decreased significantly.

In addition

Linking Words

, the lines met in 2006, when people started spending more money on cell phones than on residential phones.

Firstly

Linking Words

, in 2001, we can see that people spend like 200 dollars per year on a cellphone service.

However

Linking Words

, that increased a lot over time.

For example

Linking Words

, it was 300$ in 2002 and grew to $500 in 2006. After that, spending increased more, raising $750 in 2010.

On the other hand

Linking Words

, spending money on residential telephone service starts to be the opposite. At the beginning of that, people spent like $700 in 2001.

However

Linking Words

,

this

Linking Words

price gradually decreased over the years .

For instance

Linking Words

, it went to 600$ in 2004 and

then

Linking Words

to $500 in 2006.

Finally

Linking Words

, in 2010, it decreased a lot to $400.