The 2006 CIA World Factbook

by United States. Central Intelligence Agency

Rwanda
$357 million (2005 est.)

Samoa
$70.15 million

Sao Tome and Principe
$20 million (2005 est.)

Saudi Arabia
$26.76 billion (2005 est.)

Senegal
$1.191 billion (2005 est.)

Serbia
$5.35 billion

Seychelles
$41 million (2005 est.)

Singapore
$115.8 billion (2005 est.)

Slovakia
$14.97 billion (2005 est.)

Slovenia
$8.16 billion (2005 est.)