The chart below shows the total number of minutes (in billions)of telephone calls in the UK, divided into three categories, from 1995-2002.

The given bar chart illustrates the total amount of telephone calls of UK, in three different categories, during eight years beginning in 1995. overall, it’s noticeable that local calls had the highest volume without any considerable rise. whereas, mobile calls started as the lowest but it saw a significant rise over the period. by 1999, […]