The given line chart illustrates the average yearly expenditure of American residents on mobile phone services, national and international landline services from 2001 to 2010.
The line graph illustrates the annual average expenses on cell phones, national fixed-line services, and international fixed-line services in America from 2001 to 2010.
The line graph illustrates the average yearly spend on different types of mobile phone services in the United States, namely cell phone, national fixed-line, and international fixed-line service over the period of ten ye