The chart depicts the total amount of minutes of telephone calls in the United Kingdom,separated into three types, from 1995-2002.
Overall,it is clear that ,the proportion of national and international fixed line and mobiles usage increased rosely over the period ,while the local fixed line marked the higher amount compared to other call categories.
In 1995,people who used national and international fixed line their minute amount was nearly 40 billions,and it increased rosely whole of the period year by year.But in 2001 and 2002 the amount looked similar,which was 60 billions.On the other hand,for mobiles,in 1995 the usage minutes was only 5 billions and its reached in over 40 billions in the year of 2002.
However,local fixed line grew considerably and reached the highest number in 1999,which was upto 70 billions minute in 1995 .But after reached the the peak point its decreased slowly and came the same point again.
