Sierra Leone
$216 million (2006)

Singapore
$342.7 billion (2008 est.)
$303.1 billion (2007 est.)

Slovakia
$72.57 billion (2008 est.)
$64.5 billion (2007 est.)

Slovenia
$29.61 billion (2008 est.)
$27.09 billion (2007 est.)

Solomon Islands
$237 million (2006)

Somalia
$300 million (2006)

South Africa
$86.12 billion (2008 est.)
$75.92 billion (2007 est.)

Spain
$285.9 billion (2008 est.)
$256.7 billion (2007 est.)

Sri Lanka
$8.137 billion (2008 est.)
$7.741 billion (2007 est.)

Sudan
$11.67 billion (2008 est.)
$8.879 billion (2007 est.)