Chad
Portugal 28.3%, Germany 13.6%, US 7.8%, Czech Republic 6.5%,
France 5.8%, Nigeria 5.8%, Poland 5.5%, Spain 5.2%, Morocco 4.5%
(2002)

Chile
US 19.1%, Japan 10.5%, China 6.7%, Mexico 5%, Italy 4.7%, UK
4.4% (2002)

China
US 21.5%, Hong Kong 18%, Japan 14.9%, South Korea 4.8% (2002)

Christmas Island
Australia, NZ

Cocos (Keeling) Islands
Australia (1999)

Colombia
US 44.8%, Venezuela 9.4%, Ecuador 6.8% (2002)

Comoros
France 32.4%, Germany 19.4%, US 17.6%, Singapore 11.5%,
Netherlands 6.5% (2002)

Congo, Democratic Republic of the
Belgium 64.4%, US 13.4%, Zimbabwe
6.7%, Finland 4.9% (2002)

Congo, Republic of the
Taiwan 28.1%, South Korea 20.4%, China 9.3%,
US 8.4%, Germany 6.6%, France 5.2% (2002)

Cook Islands
Australia 34%, Japan 27%, New Zealand 25%, US 8% (2000)