April 2021

• United States
• Afghanistan
• Albania
• Algeria
• American Samoa
• Andorra
• Angola
• Anguilla
• Antarctica
• Antigua and Barbuda
• Argentina
• Armenia
• Aruba
• Australia
• Austria
• Azerbaijan
• Bahamas
• Bahrain
• Bangladesh
• Barbados
• Belgium
• Belize
• Benin
• Bermuda
• Bhutan
• Bolivia
• Bosnia and Herzegowina
• Botswana
• Bouvet Island
• Brazil
• Brunei Darussalam
• Bulgaria
• Burkina Faso
• Burundi
• Cambodia
• Cameroon
• Canada
• Cape Verde
• Cayman Islands
• Central African Republic
• Chad
• Chile
• 中国
• Christmas Island
• Cocos (Keeling) Islands
• Colombia
• Comoros
• Congo
• Cook Islands
• Costa Rica
• Cote D'Ivoire
• Croatia
• Cyprus
• Czech Republic
• Denmark
• Djibouti
• Dominica
• Dominican Republic
• East Timor
• Ecuador
• Egypt
• El Salvador
• Equatorial Guinea
• Eritrea
• Estonia
• Ethiopia
• Falkland Islands (Malvinas)
• Faroe Islands
• Fiji
• Finland
• France
• French Guiana
• French Polynesia
• French Southern Territories
• Gabon
• Gambia
• Georgia
• Germany
• Ghana
• Gibraltar
• Greece
• Greenland
• Grenada
• Guadeloupe
• Guam
• Guatemala
• Guinea
• Guinea-bissau
• Guyana
• Haiti
• Heard and Mc Donald Islands
• Honduras
• Hong Kong
• Hungary
• Iceland
• Indonesia
• Ireland
• Israel
• Italy
• Jamaica
• Japan
• Jordan
• Kazakhstan
• Kenya
• Kiribati
• Korea, Republic of
• Kuwait
• Kyrgyzstan
• Latvia
• Lebanon
• Lesotho
• Liberia
• Libyan Arab Jamahiriya
• Liechtenstein
• Lithuania
• Luxembourg
• Macau
• Macedonia, The Former Yugoslav Republic of
• Madagascar
• Malawi
• Malaysia
• Maldives
• Mali
• Malta
• Marshall Islands
• Martinique
• Mauritania
• Mauritius
• Mayotte
• Mexico
• Micronesia, Federated States of
• Moldova, Republic of
• Monaco
• Mongolia
• Montserrat
• Morocco
• Mozambique
• Myanmar
• Namibia
• Nauru
• Nepal
• Netherlands
• Netherlands Antilles
• New Caledonia
• New Zealand
• Nicaragua
• Niger
• Nigeria
• Niue
• Norfolk Island
• Northern Mariana Islands
• Norway
• Oman
• Pakistan
• Palau
• Panama
• Papua New Guinea
• Paraguay
• Peru
• Philippines
• Pitcairn
• Poland
• Portugal
• Qatar
• Reunion
• Romania
• Rwanda
• Saint Kitts and Nevis
• Saint Lucia
• Saint Vincent and the Grenadines
• Samoa
• San Marino
• Sao Tome and Principe
• Saudi Arabia
• Senegal
• Seychelles
• Sierra Leone
• Singapore
• Slovakia (Slovak Republic)
• Slovenia
• Solomon Islands
• Somalia
• South Africa
• South Georgia and the South Sandwich Islands
• Spain
• Sri Lanka
• St. Helena
• St. Pierre and Miquelon
• Sudan
• Suriname
• Svalbard and Jan Mayen Islands
• Swaziland
• Sweden
• Switzerland
• Taiwan
• Tajikistan
• Tanzania, United Republic of
• Thailand
• Togo
• Tokelau
• Tonga
• Trinidad and Tobago
• Tunisia
• Turkey
• Turkmenistan
• Turks and Caicos Islands
• Tuvalu
• Uganda
• United Arab Emirates
• United Kingdom
• United States Minor Outlying Islands
• Uruguay
• Uzbekistan
• Vanuatu
• Vatican City State (Holy See)
• Vietnam
• Virgin Islands (British)
• Virgin Islands (U.S.)
• Wallis and Futuna Islands
• Western Sahara
• Yemen
• Serbia
• Zaire
• Zambia
• Zimbabwe
• Puerto Rico
• Montenegro