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

The bar chart illustrates the amount of time spent on three types of telephone calls in the UK from 1995 to 2002. Overall, local fixed line calls showed a downward trend after reaching their peak. In contrast, national and international calls as well as mobile calls continued to grow steadily, with mobiles in particular experiencing […]