llar - 0.79669 (2006), 0.8041 (2005),
0.8054 (2004), 0.886 (2003), 1.0626 (2002)

Sao Tome and Principe
dobras per US dollar - 12,134 (2006), 9,900.4
(2005), NA (2004), 9,347.6 (2003), 9,088.3 (2002)

Saudi Arabia
Saudi riyals per US dollar - 3.745 (2006), 3.747
(2005), 3.75 (2004), 3.75 (2003), 3.75 (2002)

Senegal
Communaute Financiere Africaine francs (XOF) per US dollar -
522.592 (2006), 527.47 (2005), 528.29 (2004), 581.2 (2003), 696.99
(2002)

Serbia
Serbian dinars per US dollar - 58.6925

Seychelles
Seychelles rupees per US dollar - 5.5 (2006), 5.5 (2005),
5.5 (2004), 5.4007 (2003), 5.48 (2002)

Sierra Leone
leones per US dollar - 2,985.4 (2006), 2,889.6 (2005),
2,701.3 (2004), 2,347.9 (2003), 2,099 (2002)

Singapore
Singapore dollars per US dollar - 1.595 (2006), 1.6644
(2005), 1.6902 (2004), 1.7422 (2003), 1.7906 (2002)

Slovakia
koruny per US dollar - 29.9315 (2006), 31.018 (2005),
32.257 (2004), 36.773 (2003), 45.327 (2002)

Slovenia
tolars per US dollar - 190.465 (2006), 192.71 (2005),
192.38 (2004), 207.11 (2003), 240.25 (2002)

Solomon Islands
Solomon Islands dollars per US dollar - 7.5299
(2005), 7.4847 (2004), 7.5059 (2003), 6.7488 (2002)

Somalia
Somali shillings per US dollar - 11,000 (November 2000),
2,620 (January 1999), 7,500 (November 1997 est.), 7,000 (January
1996 est.), 5,000 (1 January 1995), note, the Republic of
Somaliland, a self-declared independent country not recognized by
any foreign government, issues its own currency, the Somaliland
shilling

South Africa
rand per US dollar - 6.85 (2006), 6.3593 (2005), 6.4597
(2004), 7.5648 (2003), 10.5407 (2002)

Spain
euros per US dollar - 0.79669 (2006), 0.8041 (2005), 0.8054
(2004), 0.886 (2003), 1.0626 (2002)

Sri Lanka
Sri Lankan rupees per US dollar - 102.987 (2006), 100.498
(2005), 101.194 (2004), 96.521 (2003), 95.662 (2002)

Sudan
Sudanese dinars per US dollar - 217.402 (2006), 243.61 (2005),
257.91 (2004), 260.98 (2003), 263.31 (2002)

Suriname
Surinamese dollars per US dollar - 2.7317 (2005),
Surinamese guilders per US dollar - 2.7336 (2004), 2.6013 (2003),
2.3468 (2002), note, during 1998, the exchange rate splintered into
four distinct rates; in January 1999 the government floated the
guilder, but subsequently fixed it when the black-market rate
plunged; in January 2004, the government introduced the Surinamese
dollar