The given chart illustrates the anual money spending tendecy on services of cell phones, marked with the red line and residential phones, represented in green, from 2001 to 2010.
For starters, in the first analized year it is clearly visible that the difference between residential and cell phones services si almost 500 dollers. Residential phones services are decreasing with 50 dollars during one year and another 100 dollars between 2002 and 2006, where it matches the cell phone services value and going straight to an number of 400 per year until 2010, losing in 10 years almost a half of the statistics numbers.
Furthermore, the cell phone services are undergoing a significant constant growth by raising from a number of 200 to 800 dollars between 2001 and 2010. On the other hand the landline phones undergo an opposing trend constantly dropping from 700 to 430
