the chart below shows the total number of mintues in billion of telephone calls in the UK divided into three categories

The bar chart provides information about the

overall

number of hours of cellphone calls in the United Kingdom separated into three distinct sectors from 1995 to 2002. The unit is measured in billions.

Overall

, the total number of

minutes

in each sector increased throughout the period.

In addition

, the hours on local call was higher than their counterparts from the onset to the end . In 1995, the sum of

minutes

on local calls was approximately 72

billion

which was higher than the other sectors with just above 35

billion

and approximately 5

billion

in National and International and mobiles respectively.

This

figure increased gradually to about 85

billion

in 1967.

However

, the figure plateaued to exactly 90

billion

both in 1998 and 1999 before started declining and reached its lowest level in 2002 by 60

billion

. With regards to National and International calls, the total

minutes

recorded were just below 40

billion

and experienced gradual growth until they reached their peak of about 55

billion

.

By contrast

, calls on mobile had the lowest total number of

minutes

by just 5

billion

in 1995. The figure increased until it reached its peak of about 35

billion

in 2002.