Senegal
$3.516 billion (31 December 2010 est.)
$3.412 billion (31 December 2009 est.)

Serbia
$18.88 billion (31 December 2010 est.)
$19.25 billion (31 December 2009 est.)

Seychelles
$678.5 million (31 December 2010 est.)
$582.5 million (31 December 2009 est.)

Sierra Leone
$178.4 million (31 December 2009)
$140.9 million (31 December 2008)

Singapore
$199.8 billion (31 December 2010 est.)
$166.3 billion (31 December 2009 est.)

Slovakia
$65.09 billion (31 December 2010 est.)
$64.25 billion (31 December 2009 est.)

Slovenia
$52.67 billion (31 December 2009 est.)
$50.46 billion (31 December 2008 est.)

Solomon Islands
$221.9 million (31 December 2008 est.)
$183.8 million (31 December 2007 est.)

South Africa
$328.3 billion (31 December 2010 est.)
$255.2 billion (31 December 2009 est.)

Spain
$3.683 trillion (31 December 2009 est.)
$3.451 trillion (31 December 2008 est.)