China
Renminbi yuan (RMB) per US dollar - 6.7852 (2010), 6.8314
(2009), 6.9385 (2008), 7.61 (2007), 7.97 (2006)

Christmas Island
Australian dollars (AUD) per US dollar - 1.1151
(2010), 1.2822 (2009), 1.2059 (2008), 1.2137 (2007), 1.3285 (2006)

Cocos (Keeling) Islands
Australian dollars (AUD) per US dollar -
1.1151 (2010), 1.2822 (2009), 1.2059 (2008), 1.2137 (2007), 1.3285
(2006)

Colombia
Colombian pesos (COP) per US dollar - 1,893.1 (2010),
2,157.6 (2009), 2,243.6 (2008), 2,013.8 (2007), 2,358.6 (2006)

Comoros
Comoran francs (KMF) per US dollar - 361.4 (2007), 391.8
(2006), 395.6 (2005), 396.21 (2004), 435.9 (2003)
note: the Comoran franc is pegged to the euro at a rate of 491.9677
Comoran francs per euro

Congo, Democratic Republic of the
Congolese francs (CDF) per US
dollar - 930 (2010), 810 (2009), 559 (2008), 516 (2007), 464.69
(2006)

Congo, Republic of the
Cooperation Financiere en Afrique Centrale
francs per US dollar - 507.71 (2010), 472.19 (2009), 447.81 (2008),
483.6 (2007), 522.59 (2006)

Cook Islands
NZ dollars (NZD) per US dollar - 1.4015 (2009), 1.4151
(2008), 1.3811 (2007), 1.5408 (2006)

Costa Rica
Costa Rican colones (CRC) per US dollar - 526.68 (2010),
573.29 (2009), 530.41 (2008), 519.53 (2007), 511.3 (2006)

Cote d'Ivoire
Communaute Financiere Africaine francs (XOF) per US
dollar - 506.04 (2010), 472.19 (2009), 447.81 (2008), 481.83 (2007),
522.89 (2006)