5.5band
This graph shows the different average annual expenditures, by US consumers, of cell phone and residential phone between the years 2001 and 2010. This graph shows the different average annual expenditures, by US consumers, of cell phone and residential phone between the years 2001 and 2010. it's easy too see how residential phone services have had an important decrease in only 10 years, but in 2010 there are people who buy residential phone u...