The 2006 CIA World Factbook

by United States. Central Intelligence Agency

Slovenia
$21,500 (2005 est.)

Solomon Islands
$600 (2005 est.)

Somalia
$600 (2005 est.)

South Africa
$12,200 (2005 est.)

Spain
$25,600 (2005 est.)

Sri Lanka
$4,300 (2005 est.)

Sudan
$2,100 (2005 est.)

Suriname
$6,600 (2005 est.)

Swaziland
$5,000 (2005 est.)

Sweden
$29,800 (2005 est.)