The 2010 CIA World Factbook

by United States. Central Intelligence Agency

Sao Tome and Principe
$1,800 (2010 est.)
$1,700 (2009 est.)
$1,700 (2008 est.)
note: data are in 2010 US dollars

Saudi Arabia
$24,200 (2010 est.)
$23,700 (2009 est.)
$24,000 (2008 est.)
note: data are in 2010 US dollars

Senegal
$1,900 (2010 est.)
$1,900 (2009 est.)
$1,900 (2008 est.)
note: data are in 2010 US dollars

Serbia
$11,000 (2010 est.)
$10,700 (2009 est.)
$11,000 (2008 est.)
note: data are in 2010 US dollars

Seychelles
$21,600 (2010 est.)
$21,100 (2009 est.)
$21,100 (2008 est.)
note: data are in 2010 US dollars

Sierra Leone
$900 (2010 est.)
$900 (2009 est.)
$900 (2008 est.)
note: data are in 2010 US dollars

Singapore
$62,200 (2010 est.)
$54,700 (2009 est.)
$56,100 (2008 est.)
note: data are in 2010 US dollars

Sint Maarten
$15,400 (2008 est.)

Slovakia
$22,200 (2010 est.)
$21,400 (2009 est.)
$22,400 (2008 est.)
note: data are in 2010 US dollars

Slovenia
$28,400 (2010 est.)
$28,000 (2009 est.)
$30,500 (2008 est.)
note: data are in 2010 US dollars