Singapore
$46.39 billion (2007 est.)
Slovakia
-$3.998 billion (2007 est.)
Slovenia
-$2.181 billion (2007 est.)
Solomon Islands
-$143 million (2007 est.)
South Africa
-$20.63 billion (2007 est.)
Spain
-$145.3 billion (2007 est.)
Sri Lanka
-$1.019 billion (2007 est.)
Sudan
-$3.447 billion (2007 est.)
Suriname
$24 million (2007 est.)
Swaziland
-$24 million (2007 est.)