Australia, Austria, Barbados, Belgium, Botswana, Brazil, Bulgaria, Cameroon, Canada, Colombia, Cyprus, Dominican Republic, Ecuador, El Salvador, Equatorial Guinea, Ethiopia, Fiji, France, Gabon, Gambia, Guinea, Guyana, Honduras, Hungary, Iceland, Iran, Ireland, Israel, Italy, Ivory Coast, Jamaica, Japan, Jordan, Kenya, Kuwait, Laos, Lebanon, Liberia, Liechtenstein, Luxembourg, Malaysia, Malta, Mauritania, Mauritius, Mexico, Morocco, Nauru, Netherlands, New Zealand, North Vietnam, Norway, Pakistan, Parliament, Republic of China, Rhodesia, Rwanda, Senegal, Singapore, South Africa, South Korea, Spain, Swaziland, Switzerland, Syria, Tanzania, Thailand, Trinidad and Tobago, Tunisia, Turkey, US, Uganda, United Kingdom, Upper Volta, Venezuela, West Germany, Zambia