Line graph Average annual expenditures on cell phone and residential phone services, 2001-2010. --------------------------------------------------------- The line graph compares the yearly spending on mobile and landline phone services in the UK between 2001 and 2010. It is clear that expenditure on landline phone services fall steadly while mobile phone expenditure increased sharply. In the year of 2006 marks point in which the spending on cell phone services overtook the expenditure on landline. In 2001, US consumers spending on average $700 on residential phone services, compared to nearly $200 expenditure on mobile phone. In 2006, the amount of budget spending on both in mobile phone and in residential phone was $500. After following 4 years, the expenditure on cell phone surpassed landline expenditure with a larger gap in the end of period given time. By 2020, American had paid out average over $700 on cell phone while the expenditure had spent on for landline phones only at over $400.