The given bar charts illustrates data about billion of minutes being utilized on three various phone calls ( including Local , National and International , Mobiles ) across 8 different years that is from 2001 to 2008 by the people of Australia .
Overall , the least time being spent on phone calls was Mobiles . The most utilization of time was on local telephone calls . The National and International calls from smartphone had steady increase data .
As we can clearly see from the figure , From the year 2001 to 2004 , Local calls was the highest standing at 72 billion in 2001 , 78 billion in 2002 , 85 billion in 2003 and 89 billion in 2004 than other various calls by citizens of Australia . While mobiles showed the least utilization done by Austrailian public at 2 billion in 2001 , 5 billion in 2002 , 7 billion in 2003 , 9 billion in 2004 . The calls spent on National and International were slowly increased that is 38 billion in 2001 , 41 biliion in 2002 , 45 billion in 2003 , 48 billion in 2004 .
Now from the year 2005 to 2008 shows a slight difference specially in calls made by local being at in peak in 2005 with 90 billion but decreased gradually from 2006 with 6 billion difference , and stood at 79 billion in 2007 and 72 billion in 2008 by the public of Australia .While National and International telephone calls were increased that is 50 billion in 2005 , 55 billion in 2006 , 60 billion in 2007 and 1 billion more in 2008 by Australians . So does the calls utilization by mobiles but still being the lowest compared to other two’s calls with 12 billion in 2005 , 23 billion in 2006 , 39 billion in 2007 and 46 billion in 2008 by Australia citiezens.