country group 1
Aruba, Australia, Austria, Belgium, Canada, Denmark, Faroe Islands (belonging to Denmark), Finland, France, French Polynesia (belonging to France), Germany, Gibraltar (belonging to UK), Greenland (belonging to Denmark), Holy See (Vatican City), Hong Kong, Iceland, Ireland, Isle of Man, Israel, Italy, Japan, Jersey, Liechtenstein, Luxemburg, Monaco, Netherlands, Netherlands Antilles (belonging to Netherlands), New Caledonia (belonging to France), New Zealand, Norfolk Island (belonging to Australia), Norway, San Marino, Singapore, Spain, Sweden, Switzerland, United Kingdom, United States, US Virgin Islands
country group 2
Afghanistan, Algeria, American Samoa, Andorra, Angola, Anguilla, Antartica, Antigua and Barbuda, Argentina, Bahamas, Bahrain, Bangladesh, Barbados, Belize, Benin, Bermuda, Bhutan, Bolivia, Botswana, Brazil, British Indian Ocean Territory, British Virgin Islands, Brunei, Burkina Faso, Burma (Myanmar), Burundi, Cambodia, Cameroon, Cape Verde, Cayman Islands, Central African Republic, Chad, Chile, China, Christmas Island, Cocos (Keeling) Islands, Colombia, Comoros, Cook Islands, Costa Rica, Cuba, Cyprus, Czech Republic, Democratic Republic of Congo, Djibouti, Dominica, Dominica Republic, Ecuador, Egypt, El Salvador, Equatorial Guinea, Eritrea, Estonia, Ethiopia, Falkland Islands, Fiji, Gabon, Gambia, Gaza Strip, Ghana, Greece, Grenada, Guam, Guatemala, Guinea, Guinea Bissau, Guyana, Haiti, Honduras, Hungary, India, Indonesia, Iran, Iraq, Ivory Coast, Jamaica, Jordan, Kenya, Kiribati, Kuwait, Kyrgyzstan, Laos, Lebanon, Lesotho, Liberia, Libya, Lithuania, Macau, Madagascar, Malawi, Malaysia, Maldives, Mali, Malta, Marshall Islands, Mauritania, Mauritius, Mayotte, Mexico, Micronesia, Mongolia, Montserrat, Morocco, Mozambique, Namibia, Nauru, Nepal, Nicaragua, Niger, Nigeria, Niue, North Korea, Northern Mariana Islands, Oman, Pakistan, Palau, Panama, Papua New Guinea, Paraguay, Peru, Philippines, Pitcairn Islands, Poland, Portugal, Puerto Rico, Qatar, Republic of the Congo, Rwanda, Saint Barthelemy, Saint Helena, Saint Kitts And Nevis, Saint Lucia, Saint Martin, Saint Pierre and Miquelon, Saint Vincent and the Granadines, Samoa, Sao Tome and Principe, Saudi Arabia, Senegal, Seychelles, Sierra Leone, Slovakia, Slovenia, Solomon Islands, Somalia, South Africa, South Korea, Sri Lanka, Sudan, Suriname, Svalbard, Swaziland, Syria, Taiwan, Tajikistan, Tanzania, Thailand, Timor-Leste, Togo, Tokelau, Tonga, Trinidad and Tobago, Tunisia, Turkmenistan, Turks and Caicos Islands, Tubalu, Uganda, United Arab Emirates, Urugay, Vanuatu, Venezuela, Vietnam, Wallis and Futuna, West Bank, Western Sahara, Yemen, Zambia, Zimbabwe
country group 3
Albania, Armenia, Azerbaijan, Belarus, Bosnia and Herzegovina, Bulgaria, Croatia, Georgia, Kazakhstan, Kosovo, Latvia, Macedonia, Moldova, Montenegro, Romania, Russia, Serbia, Turkey, Ukraine, Uzbekistan