Sierra Leone
$4.812 billion (2010 est.)
$4.574 billion (2009 est.)
$4.382 billion (2008 est.)
note: data are in 2010 US dollars

Singapore
$292.2 billion (2010 est.)
$255 billion (2009 est.)
$258.3 billion (2008 est.)
note: data are in 2010 US dollars

Sint Maarten
$794.7 million (2008 est.)
$748.9 million (2007 est.)
$703.2 million (2006 est.)
note: data are in 2008 US dollars

Slovakia
$121.3 billion (2010 est.)
$116.7 billion (2009 est.)
$122.4 billion (2008 est.)
note: data are in 2010 US dollars

Slovenia
$56.81 billion (2010 est.)
$56.24 billion (2009 est.)
$61.2 billion (2008 est.)
note: data are in 2010 US dollars

Solomon Islands
$1.559 billion (2010 est.)
$1.517 billion (2009 est.)
$1.553 billion (2008 est.)
note: data are in 2010 US dollars

Somalia
$5.896 billion (2010 est.)
$5.75 billion (2009 est.)
$5.607 billion (2008 est.)
note: data are in 2010 US dollars

South Africa
$527.5 billion (2010 est.)
$512.2 billion (2009 est.)
$521.6 billion (2008 est.)
note: data are in 2010 US dollars

Spain
$1.374 trillion (2010 est.)
$1.379 trillion (2009 est.)
$1.432 trillion (2008 est.)
note: data are in 2010 US dollars

Sri Lanka
$104.7 billion (2010 est.)
$97.91 billion (2009 est.)
$94.6 billion (2008 est.)
note: data are in 2010 US dollars