The 2006 CIA World Factbook

by United States. Central Intelligence Agency

Samoa
$2,100 (2005 est.)

San Marino
$34,600 (2001 est.)

Sao Tome and Principe
$1,200 (2003 est.)

Saudi Arabia
$13,100 (2005 est.)

Senegal
$1,800 (2005 est.)

Serbia
$4,400 for Serbia (including Kosovo) (2005 est.)

Seychelles
$7,800 (2002 est.)

Sierra Leone
$800 (2005 est.)

Singapore
$28,600 (2005 est.)

Slovakia
$16,300 (2005 est.)