Table: 3 years

A glance at the table provided reveals some information about Australian participants in five physical activities, namely walking, aerobics, running, tennis and swimming, in 2001, 2005 as well as 2009.
It is apparent that the total number of people in Australia took part in these activities saw a significant increase during the period in question.
Ranked the highest position of these activities listed with approximately 4 million in 2001, the figure of walking player climbed to around 5 million in 2005, before reaching a staggering 6 million by the year 2009. However, the most significant change in growth rate during the period  belonged to aerobic. This activity witnessed a considerable increase with 158 percent over the 8-year period, from approximately 1 million people joined in 2001 to the number of nearly 3 million in 2009.
The second highest in terms of number of participants is swimming. Increasing from 2.2 million people in 2001 to 3 million in 2005, this activity soared to 4.2 million in 2009.
While other activities experienced increases, tennis displayed an opposite trend, with a decline from nearly 1 million people in 2001 to 0.7 million in 2005 and then stabilised at this number by 2009.