The bar chart compares about what number of telephone calls in Australia, divided into local, national and international, mobiles between 2001 and 2008 (in billion).
Overall, the number of local telephone calls were decreased, while national and international calls showed gradual rose. Meanwhile, in Australia, mobile witnessed a upward trend over the period.
Looking at the bar chart in more detail, the number of national and international calls in Australia which started with 38 billion minutes in 2001. The period 2002 and 2005, it went up and showed a significiant increased at 41 to 50 billion calls. However, from 2006 to 2008, which saw a significant fall in telephone calls. Moreover, the number of monile calls was rise dramatically. From 2001 people used 2 billion calls to 2006, which went up 23 billion. Therefore, the highest number of mobile phone calls showed in 2007 and 2008 at 39 and 45 billions.
On the other hand,