Slovakia
9 million bbl (1 January 2006)
Somalia
0 bbl (1 January 2002)
South Africa
7.84 million bbl (1 January 2002)
Spain
10.5 million bbl (1 January 2002)
Sudan
1.6 billion bbl (2005 est.)
Suriname
150 million bbl (2005)
Syria
2.5 billion bbl (2005 est.)
Taiwan
2.9 million bbl (2005 est.)
Tanzania
0 bbl (1 January 2002)
Thailand
583 million bbl (November 2003)