Category 1 nation countries are Afghanistan, Benin, Burkina Faso, Burundi, Cambodia,
Central African Republic, Chad, Comoros, Congo, Eritrea, Ethiopia, Gambia, Guinea, Guinea-
Bissau, Haiti, Korea, Liberia, Madagascar, Malawi, Mali, Mozambique, Nepal, Niger, Rwanda,
Sierra Leone, Somalia, South Sudan, Tanzania, Togo, Uganda, Zimbabwe.
Category 2 nation countries are Armenia, Bangladesh, Bhutan, Bolivia, Cameroon, Cape Verde, Congo, Rep., Cote d’Ivoire, Djibouti, Egypt, El Salvador, Georgia, Ghana, Guatemala, Guyana, Honduras, India, Indonesia, Kenya, Kiribati, Kosovo, Kyrgyz Republic, Lao, Lesotho, Mauritania, Micronesia, Fed. Sts., Moldova, Morocco, Myanmar, Nicaragua, Nigeria, Pakistan, Papua New Guinea, Philippines, Samoa, Sao Tome & Principe, Senegal, Solomon Islands, Sri Lanka, Sudan, Swaziland, Syrian Arab Republic, Tajikistan, Timor-Leste, Ukraine, Vanuatu, Vietnam, West Bank and Gaza, Yemen, Rep., Zambia.
Category 3 nation countries are Albania, Algeria, American Samoa, Angola, Azerbaijan,
Belarus, Belize, Bosnia and Herzegovina, Botswana, Brazil, Bulgaria, China, Colombia, Costa
Rica, Cuba, Dominica, Dominican Republic, Ecuador, Fiji, Gabon, Grenada, Iran, Iraq, Jamaica,
Jordan, Kazakhstan, Lebanon, Libya, Macedonia, Malaysia, Maldives, Marshall Islands,
Mauritius, Mexico, Mongolia, Montenegro, Namibia, Palau, Panama, Paraguay, Peru, Romania,
Serbia, South Africa, St. Lucia, St. Vincent and the Grenadines, Suriname, Thailand, Tonga,
Tunisia, Turkey, Turkmenistan, Tuvalu.
Category 4 nation countries are Andorra, Antigua and Barbuda, Argentina, Aruba, Australia, Austria, Bahamas, Barbados, Belgium, Bermuda, Brunei Darussalam, Canada, Cayman Islands, Channel Islands, Chile, Croatia, Curacao, Cyprus, Czech Republic, Denmark, Estonia, Equatorial Guinea, Faeroe Islands, Finland, France, French Polynesia, Germany, Greece, Greenland, Guam, Hong Kong, Hungary, Iceland, Ireland, Isle of man, Italy, Japan, Korea, Latvia, Liechtenstein, Lithuania, Luxembourg, Macao, Malta, Monaco, Netherlands, New Caledonia, New Zealand, Northern Mariana Islands, Norway, Poland, Portugal, Puerto Rico, Russian Federation, San Marino, Seychelles, Singapore, Sint Maarten, Slovak Republic, Slovenia, Spain, St. Kitts and Nevis, St. Martin, Sweden, Switzerland, Taiwan, Trinidad and Tobago, Turks and Caicos Islands, United Kingdom, United States, Uruguay, Venezuela, Virgin Islands.