The bar chart below shows the total number of minutes ( in billions) of telephone calls in Australia, divided into three categories, from 2001-2008

The bar chart illustrates the total number of minutes (in billions) of local, national/international, and mobile telephone calls in Australia between 2001 and 2008. Overall, local calls accounted for the largest share of minutes throughout the period, peaking in 2005 before declining, while both national/international and mobile calls rose steadily. Mobile calls, in particular, saw […]