The line graph shows data on the number of immigrants (in thousand 
unit
) to the USA, Canada, and Australia from 1991 to 2001. 
Change to a plural noun
units
Overall
, Linking Words
while
 Canada and Australia had a quite stable trend, the opposite was true for the USA, which Linking Words
also
 possessed the largest immigration rate.
In terms of America, there were over 1400 people Linking Words
immigrated
 Correct pronoun usage
who immigrated
in
 Change preposition
to
this
 nation in 1991. After reaching a peak of 1800 Linking Words
in 
only one year later, the data of Change preposition
apply
this
 country witnessed a dramatic fall, to only 1000 immigrants in 1993, Linking Words
then
 continued to be followed by a gradual decrease during the next 3 years. From 1996 onwards, the immigration rate Linking Words
of
 the USA fluctuated from around 650 to 990 individuals. 
Change preposition
in
In contrast
, Canada’s and Australia’s immigration level was reported to be less varied. In Australia, there were approximately 180 people moved here annually throughout the Linking Words
10 years
 period. A similar trend was Correct your spelling
10-year
also
 documented in Canada’s data, albeit at a quite higher Linking Words
firgure
, at around 200 individuals. Correct your spelling
figure
Addtionally
, a double increase in Correct your spelling
Additionally
this
 country’s level was Linking Words
also
 recorded Linking Words
at the end
 of the period.Linking Words