The provided bar chart compares telephone calls made in Australia by three types of phones: local, national & international, and mobiles devices in minutes between 2001 and 2008.
Overall, local telephone calls became dominant over the period with the highest figures of calls, whereas most plummet was pronounced in mobile calls.
To begin with local calls, in 2001, local telephone call commenced with 72 minutes and started to increase slightly from 2002 to 2004 exhibiting 89 minutes. In 2005, local calls reached its culminating peak with 90 minutes, and sharply plunged to its initial number, 72 minutes by the end of the period.
Turning to national & international calls, this type of call rose up moderately throughout the period, starting with 38 minutes in 2001 and settling at approximately 1 hour at the end of the period. By contrast, mobile rings demonstrated the lowest figure over the period, beginning from 2 minutes call in 2001, increasing step by step over the years, and finishing its call minutes at 46 minute in 2008.
