The provided line graph enumerates average annual spent on cell phone, national and international fixed-line services in a period from 2001 to 2010
overall, the annual spent for cell phone services and international fixed-line services increased while national fixed-line services expenditure decreased throughout the whole period. In 2001 national fixed-line services were the dominant spent but after 9 years in 2010 cell phone services became the biggest spent.
in 2001 national fixed-line services spent was approximately 700 $, it fell in an extreme temp till 2006 where it intersected with the cell phone services and became 500 $ and it continued falling till the end of the period (2010) where it became 400$.
continuing with cell phone services spent, it was 200$ in 2001 when it started slightly growing and became 300$ in a year and intersected with international fixed-line services and then it continued to grow with a quick temp till 2007 where it became 600$ and stayed stable for a year, after it had an upward trend till 2010 where the spent was over 700$. it showed an increase almost 4 times and became the most popular spent at the end of the period(700$)
finally, the international fixed-line services started with the figure of 250$ in the start of the period, it had a slight increase till 2003 where it had over 300$ spent and stayed unchanged till the end of the period(2010)