The provided visual information illustrate the aggregate number of minutes of telephone calls in Austalia with three different groups. The graph also shows the years starting from 2001 and ending up at 2008. Local represent the blue colur, national and international represent yellow colur, and red colour represent mobiles.
Firstly, it is clearly seen that from 2001 to 2005 the total number of local minutes were rapidly increasing. In 2001, local minutes was 72 billion and 2005 it reached to 90 billion minutes. However. from 2006 to 2008 local minutes were gradually decreasing and it came to 72 billion minutes.
Secondly, national and international minutes has the exponential rise from 2001 to 2008. It was stated from 30 billion minutes and in 2008 it was doubled. Moreover, in 2001 mobile miuntes were 2 billion and it also reached to 46 billion minutes.
In conclusion, it can be held that mobiles, national, and international minutes were gradually increasing and outnumbered as compared to local minutes.