the number of immigrants to three nations between 1990 and 2001 is depicted by the following chart. There are USA, Canada, and Australia participate in this diagram.
As a whole, USA has the most fluctuated number of immigrants, unlike Canada and Australia. In addition, the largest number of immigrants through years come from USA.
USA’s line is hard to be predicted. In the first two years, the immigrants of USA rised the most. After that, it was the great downfall for the USA, and the trend lasted for 4 years until stop to pump again. From 1997 to 1999, the number of immigrants started to decrease by 200 thousand people. With a suprise, the line was a steady shape at 700 thousand people scale then rised to 900 thousand people within 2 years since 1999.
Canada and Australiaa were the two countries to have stable currents. In the interval of 1991 and 1994, there was a slight change that made the trend increased in Canada. Thereafter, immigrants quantity from Canada remained unchange till 2000. Following that was a remarkable jump in 2000 and 2001. In the period of 1991 and 1994, Australia lost a medium range of its incomer. Moreover, an ascent occured in Australia after 1994 and stayed for 7 years continuously.