Data gathering and analysis

-- Country selection -- Åland Island Abkhazia Afghanistan Akrotiri Albania Algeria American Samoa Andorra Angola Anguilla Antarctica Antigua & Barbuda Argentina Armenia Aruba Ascension Island Ashmore Australia Austria Azerbaijan Azores Bahamas Bahrain Baker Island Bangladesh Barbados Belarus Belgium Belize Benin Bermuda Bhutan Bolivia Bonaire Bosnia & Herzegovina BotswanaBougainville Bouvet Island Brazil British Virgin Islands Brunei Bulgaria Burkina Faso Burundi Cambodia Cameroon Canada Canary Islands Cape Verde Cayman Islands Central African Republic Ceuta Chad Chile China Christmas Island Clipperton Island Cocos (Keeling) Islands Colombia Comoros Congo - Brazaville Congo - Kinshasa Cook Islands Costa Rica Crimea Croatia Cuba Curaçao Cyprus Czech Republic Denmark Dhekelia Diego Garcia Djibouti Dominica Dominican Republic Donetsk Republic Easter Island Ecuador Egypt El Salvador Eritrea Estonia Eswanti - Swaziland Ethiopia Falkland Islands Faroe Islands Fiji Finland France French Antarctic Lands French Guiana French Polynesia Gabon Galapagos Islands Gambia Georgia Germany Ghana Gibraltar Golan Heights Great Britain Greece Greenland Grenada Guadeloupe Guam Guantanamo Guatemala Guernsey Guinea Guinea Equatorial Guinea-Bissau Guyana Haiti Heard Island & McDonalds Honduras Hong Kong SAR Howland Island Hungary Iceland India Indonesia Iran Iraq Ireland Isle of Man Israel Italy Ivory Coast Jamaica Jan Mayen Japan Jarvis Island Jersey Johnston Atoll Jordan Kazakhstan Kenya Kingman Reef Kiribati Korea North Korea South Kosovo Kurdistan - Iraq Kuwait Kyrgyzstan Laos Latvia Lebanon Lesotho Liberia Libya Liechtenstein Lithuania Luhansk Republic Luxembourg Macao SAR Madagascar Madeira Malawi Malaysia Maldives Mali Malta Marshall Islands Martinique Mauritania Mauritius Mayotte Melilla Mexico Micronesia Midway Atoll Moldova Monaco Mongolia Montenegro Montserrat Morocco Mozambique Myanmar / Burma Nagorno-Karabakh Namibia Nauru Navassa Nepal Netherlands New Caledonia New Zealand Nicaragua Niger Nigeria Niue Norfolk Island North-Macedonia Northern Cyprus Northern Mariana Islands Norway Oman Pakistan Palau Palestine Palmyra Atoll Panama Papua New Guinea Paracel Islands Paraguay Peru Philippines Pitcairn Islands Poland Portugal Puerto Rico Puntland Qatar Reunion Rojava Romania Russia Rwanda Saba Sahrawi Arab Republic Saint Barthélemy Saint Helena Saint Kitts Saint Lucia Saint Martin Saint Pierre & Miquelon Saint Vicent Samoa San Andrés and Providence San Marino Sao Tome & Principe Saudi Arabia Senegal Serbia Seychelles Shebaa Farms Sierra Leone Singapore Sint Eustatius Sint Maarten Slovakia Slovenia Solomon Islands Somalia Somaliland South Africa South Georgia Islands South Ossetia South Sudan Spain Spratly Islands Sri Lanka Sudan Suriname Svalbard Sweden Switzerland Syria Taiwan Tajikistan Tanzania Thailand Timor East Togo Tokelau Tonga Transnistria Trinidad & Tobago Tristan da Cunha Tunisia Turkey Turkmenistan Turks & Caicos Islands Tuvalu Uganda Ukraine United Arab Emirates United States of America Uruguay US Virgin Islands Uzbekistan Vanuatu Vatican City Venezuela Vietnam Wake Island Wallis & Futuna Yemen Zambia Zimbabwe