The provided line graph delineates data on the changes of visitors' number to Australia from 1975 until 2005 while the table elaborates the percentage of tourists from various countries. At the onset, the number of foreign travellers to Australia had surged ceaselessly during the whole period and tripled by 2005. Moreover, the most substantial growth in the number of foreigners attended Australia had shown by Japan, South Korea and Europe.

The line graph shows that visit to Australia by non-residents had overwhelmingly moved upward over the period of 2 decades: it was nearly 10 million in 1975 and slightly more than 30 million in 2005. Throughout the period, the number of tourists went up as high as 5 million each decade; however, between 1985 and 1995 it boomed to almost 10 million.

While taking into consideration the table data we can easily infer that South Korea, Japan and Europe were leading sources of tourists (2.9, 3.2 and 1.1 million respectively) to Australia. In the wake of 3 decades, those figures almost quadrupled to 9.1, 12. and 4.5 million consecutively. Other countries represented less dramatic increase: China - from 0.3 to 0.8 million, the USA - from 0.4 to 1.1 million and the UK - from 0.9 to 2.9 million. It is worth noticing that the most significant growth in the number of travellers to Australia was from Japan, South Korea and Europe. Australia received the highest number of tourists from these countries during the period.