The line graph illustrates the annual average spending of American consumers on mobile phone services, as well as national and international fixed-line services, from 2001 to 2010.
Overall, there was a significant increase in spending on cell phone services over the period, while expenditure on national and international fixed-line services experienced a decline.
In 2001, American consumers spent an average of around $200 per year on cell phone services, compared to about $700 on fixed-line services.Over the following years, expenditure on cell phone services rose steadily, surpassing fixed-line services in 2006 at around $550. This upward trend continued, reaching just under $750 by 2010.
Conversely, spending on fixed-line services showed a consistent decline. From 2001 to 2010, expenditure decreased from about $700 to around $400. The most notable drop occurred between 2006 and 2007 when it fell by nearly $100. By the end of the period, spending on fixed-line services had almost halved from its initial value.