The line graph illustrates the percentage of the population using the 
Internet
 in the Use synonyms
USA
, Use synonyms
Canada
, and Use synonyms
Mexico
 from 1999 to 2009.
Use synonyms
It is clear that
Linking Words
,
 Remove the comma
apply
the 
Correct article usage
apply
Internet
 usage increased in all three countries over the period. Use synonyms
While
Linking Words
,
 Remove the comma
apply
Canada
 and the Use synonyms
USA
 experienced a significant rise, Use synonyms
Canada
 had the highest percentage of users by the end of the period. Use synonyms
Mexico
 had Use synonyms
lowest
 proportion of Change the article
the lowest
Internet
 users throughout.
In 1999, Use synonyms
Internet
 usage increased Use synonyms
the
 Change preposition
in the
USA
 was the highest, at around exactly a quarter, followed closely by Use synonyms
Canada
 at approximately 10%. By 2005, both Use synonyms
Canada
 and the Use synonyms
USA
 had over 60% of their population using the Use synonyms
Use synonyms
internet
, Capitalize word
Internet
while
 Linking Words
Mexico
 lagged behind at just above 25%.
By 2009, Use synonyms
internet
 usage in Use synonyms
Canada
 reached nearly 100%, making it the leading country among the three. The Use synonyms
USA
 Use synonyms
also
 saw a steady increase, reaching around 80%, Linking Words
while
 Linking Words
Mexico
 continued to grow but remained significantly lower at roughly 40%.Use synonyms