The 2009 CIA World Factbook

by United States. Central Intelligence Agency

Burundi
24.1% (2008 est.)
8.3% (2007 est.)

Cambodia
25% (2008 est.)
5.9% (2007 est.)

Cameroon
5.3% (2008 est.)
1.1% (2007 est.)

Canada
2.4% (2008 est.)
2.1% (2007 est.)

Cape Verde
6.8% (2008 est.)
4.4% (2007 est.)

Cayman Islands
4.4% (2004)

Central African Republic
0.9% (2007 est.)

Chad
10.3% (2008 est.)
4% (2007 est.)

Chile
8.7% (2008 est.)
4.4% (2007 est.)

China
5.9% (2008 est.)
4.8% (2007 est.)