Fig. 2

Source: CORESIDENCE database. Two-letter country codes and country names in alphabetical order: AL Albania, AM Armenia, AR Argentina, AT Austria, AU Australia, BA Bosnia and Herzegovina, BD Bangladesh, BE Belgium, BF Burkina Faso, BG Bulgaria, BI Burundi, BJ Benin, BO Bolivia, BR Brazil, BW Botswana, BY Belarus, CD Congo Democratic Republic, CF Central African Republic, CG Congo, CH Switzerland, CI Cote d'Ivoire, CL Chile, CM Cameroon, CN China, CO Colombia, CR Costa Rica, CU Cuba, CYCyprus, CZ Czech Republic, DE Germany, DO Dominican Republic, DZ Algeria, EC Ecuador, EE Estonia, EG Egypt, ES Spain, ET Ethiopia, FJFiji, FR France, GA Gabon, GH Ghana, GM The Gambia, GN Guinea, GR Greece, GT Guatemala, GW Guinea-Bissau, HN Honduras, HR Croatia, HT Haiti, HU Hungary, ID Indonesia, IE Ireland, IL Israel, IN India, IR Iran, IT Italy, JM Jamaica, JO Jordan, KE Kenya, KH Cambodia, KM Comoros, KR South Korea, KY Kyrgyz Republic, KZ Kazakhstan, LA Laos, LC Saint Lucia, LR Liberia, LS Lesotho, LT Lithuania, LU Luxembourg, LV Latvia, MA Morocco, MD Moldova, ME Montenegro, MG Madagascar, MK Macedonia, ML Mali, MM Myanmar, MN Mongolia, MR Mauritania, MU Mauritius, MV Maldives, MW Malawi, MX Mexico, MY Malaysia, MZ Mozambique, NA Namibia, NE Niger, NG Nigeria, NI Nicaragua, NL Netherlands, NP Nepal, PA Panama, PE Peru, PG Papua New Guinea, PH Philippines, PK Pakistan, PL Poland, PR Puerto Rico, PS Palestine, PT Portugal, PY Paraguay, RO Romania, RS Serbia, RU Russia, RW Rwanda, SI Slovenia, SK Slovakia, SL Sierra Leone, SN Senegal, SV El Salvador, TD Chad, TG Togo, TH Thailand, TJ Tajikistan, TL Timor-Leste, TM Turkmenistan, TR Turkey, TT Trinidad and Tobago, TZ Tanzania, UA Ukraine, UG Uganda, UK United Kingdom, US United States, UY Uruguay, UZ Uzbekistan, VE Venezuela, VN Vietnam, XK Kosovo, YE Yemen, ZA South Africa, ZM Zambia, ZW Zimbabwe