The line chart show that the average annual expenditure on three diffent services in ten years.
Overall, we can see that there was not much change in International fixed-line servercies, for other two trend, cell phone was started reduce fequnly seacen the frist year, National fixed-line was in a opposite way.
Looking at the chart closely, there where a small increase for international fixed-line form2001 at $260 and it whent up ni the next year to $300 after that it becomeing stable for the next 8 years untill the 2010. For National line, it was the lowest in the friest year, it only spend $200 in the frist year , but the coust start clame in the next 10 years and it ended at the highset number of $750.
Move to the therid one, cell phone, this trend cost most in the begening of $700 but it start slowly reduce the money that needed in the after decaed, In the last year it only cost$400, whchi is $300 less copar to the frist year.
