Burundi
8 (2006)

Cambodia
20 (2006)

Cameroon
47 (2006)

Canada
1,337 (2006)

Cape Verde
7 (2006)

Cayman Islands
3 (2006)

Central African Republic
50 (2006)

Chad
52 (2006)

Chile
363 (2006)

China
486 (2006)