The bar chart compares the total number of minutes in billions of telephone calls in Australia into three categories in 2001 to 2008 over a period of 8 years.
It is clear that the total number of telephone calls in local increased. While there were a decrease in the total number of telephone calls in Australia national and international and mobile in the mentioned years.
In 2001, around 72 billion minutes telephone calls in local and this number of increase slightly 78 billion minutes in2002. After that, there were a continues increased till 2005 from approximately 85 billion minutes to over 90 billion minutes. At last, there were a decrease till 84 billion minutes in 2006 and 2008.
Between 2001 and 2002, the total number of telephone calls in national and international decreased slowely to 38 billion minutes from highly 41 billion minutes. Then, telephone calls constan increase from 2003 to 2005 by almost 50billion minutes.finally, the total number of telephone calls in Nation and International increase moderateto about 55 billion minutes to 61 billion minutes in 2008. On the other hand, the total number of telephone calls in Australia mobile decrease 2 billion minutes from slightly 5 billion minutes. After that, Australia people again constan increase from2003 to 2005 by almost 12 billion minutes. Additionally, the total number of telephone calls in mobile increase moderate to about 46 billion minutes in 2008.