The graph demonstrates how many people in Australia used Chinese, Arabic and Greek as their native language over a twenty-five year period between 1986-2011.
In general, what stands out is that Chinese has become the most frequently spoken first language, whereas Greek and Italian witnessed a gradual fall over the period in question. Another interesting fact is that Chinese and Greek, Greek , Arabic and Italian have crossed during the observation.
Taking in the details, regarding the number of people who spoke Chinese was just over 100000, after that it started growing gradually over the entire period and reached the peak at approximately 350000 in 2011. As for Arabic language, it started at the number of 50000.Next it witnessed stable growth and stopped at about 150000 people.
As regards the number of people having spoken in Italian as their first language, it started at 150000 people in 1986 . However, there was a gradual downward trend during twenty years period to precisely 100000 people, then the figure leveled off and remained stable over a five-year period between 2006 to 2011. Taking the trend of Greek, it was considerably higher than others at the beginning at just under 250000, but it reduced begligibly over the period of question, and reached around 18000 speakers in 2011.