The 2006 CIA World Factbook

by United States. Central Intelligence Agency

Bulgaria
$9,600 (2005 est.)

Burkina Faso
$1,200 (2005 est.)

Burma
$1,700 (2005 est.)

Burundi
$700 (2005 est.)

Cambodia
$2,500 (2005 est.)

Cameroon
$2,300 (2005 est.)

Canada
$33,900 (2005 est.)

Cape Verde
$6,200 (2005 est.)

Cayman Islands
$43,800 (2004 est.)

Central African Republic
$1,100 (2005 est.)