| Rank | Country | Value | Year |
|---|---|---|---|
| 1 | Guam | 8 | 2023 |
| 2 | Ireland | 8 | 2023 |
| 3 | Antigua and Barbuda | 7 | 2023 |
| 4 | Australia | 7 | 2023 |
| 5 | Bhutan | 7 | 2023 |
| 6 | Botswana | 7 | 2023 |
| 7 | British Virgin Islands | 7 | 2023 |
| 8 | Denmark | 7 | 2023 |
| 9 | Dominica | 7 | 2023 |
| 10 | Eswatini | 7 | 2023 |
| 11 | Grenada | 7 | 2023 |
| 12 | Iceland | 7 | 2023 |
| 13 | Lesotho | 7 | 2023 |
| 14 | Maldives | 7 | 2023 |
| 15 | Mozambique | 7 | 2023 |
| 16 | Namibia | 7 | 2023 |
| 17 | Norway | 7 | 2023 |
| 18 | South Africa | 7 | 2023 |
| 19 | St. Kitts and Nevis | 7 | 2023 |
| 20 | St. Lucia | 7 | 2023 |
| 21 | St. Vincent and the Grenadines | 7 | 2023 |
| 22 | Tanzania | 7 | 2023 |
| 23 | Trinidad and Tobago | 7 | 2023 |
| 24 | Uganda | 7 | 2023 |
| 25 | Zambia | 7 | 2023 |
| 26 | Zimbabwe | 7 | 2023 |
| 27 | American Samoa | 6 | 2023 |
| 28 | Andorra | 6 | 2023 |
| 29 | Angola | 6 | 2023 |
| 30 | Argentina | 6 | 2023 |
| 31 | Aruba | 6 | 2023 |
| 32 | Bahamas, The | 6 | 2023 |
| 33 | Bahrain | 6 | 2023 |
| 34 | Barbados | 6 | 2023 |
| 35 | Belgium | 6 | 2023 |
| 36 | Belize | 6 | 2023 |
| 37 | Benin | 6 | 2023 |
| 38 | Bermuda | 6 | 2023 |
| 39 | Bolivia | 6 | 2023 |
| 40 | Brunei Darussalam | 6 | 2023 |
| 41 | Burkina Faso | 6 | 2023 |
| 42 | Burundi | 6 | 2023 |
| 43 | Cabo Verde | 6 | 2023 |
| 44 | Cambodia | 6 | 2023 |
| 45 | Cameroon | 6 | 2023 |
| 46 | Canada | 6 | 2023 |
| 47 | Cayman Islands | 6 | 2023 |
| 48 | Central African Republic | 6 | 2023 |
| 49 | Chad | 6 | 2023 |
| 50 | Chile | 6 | 2023 |
| 51 | China | 6 | 2023 |
| 52 | Comoros | 6 | 2023 |
| 53 | Congo, Dem. Rep. | 6 | 2023 |
| 54 | Congo, Rep. | 6 | 2023 |
| 55 | Costa Rica | 6 | 2023 |
| 56 | Cote d'Ivoire | 6 | 2023 |
| 57 | Cuba | 6 | 2023 |
| 58 | Curacao | 6 | 2023 |
| 59 | Cyprus | 6 | 2023 |
| 60 | Dominican Republic | 6 | 2023 |
| 61 | Ecuador | 6 | 2023 |
| 62 | Egypt, Arab Rep. | 6 | 2023 |
| 63 | El Salvador | 6 | 2023 |
| 64 | Equatorial Guinea | 6 | 2023 |
| 65 | Estonia | 6 | 2023 |
| 66 | Ethiopia | 6 | 2023 |
| 67 | Fiji | 6 | 2023 |
| 68 | Finland | 6 | 2023 |
| 69 | Gambia, The | 6 | 2023 |
| 70 | Georgia | 6 | 2023 |
| 71 | Ghana | 6 | 2023 |
| 72 | Gibraltar | 6 | 2023 |
| 73 | Greece | 6 | 2023 |
| 74 | Guatemala | 6 | 2023 |
| 75 | Guinea | 6 | 2023 |
| 76 | Guinea-Bissau | 6 | 2023 |
| 77 | Guyana | 6 | 2023 |
| 78 | Haiti | 6 | 2023 |
| 79 | Honduras | 6 | 2023 |
| 80 | Hong Kong SAR, China | 6 | 2023 |
| 81 | Indonesia | 6 | 2023 |
| 82 | Iran, Islamic Rep. | 6 | 2023 |
| 83 | Iraq | 6 | 2023 |
| 84 | Israel | 6 | 2023 |
| 85 | Jamaica | 6 | 2023 |
| 86 | Japan | 6 | 2023 |
| 87 | Jordan | 6 | 2023 |
| 88 | Kenya | 6 | 2023 |
| 89 | Kiribati | 6 | 2023 |
| 90 | Korea, Rep. | 6 | 2023 |
| 91 | Latvia | 6 | 2023 |
| 92 | Lebanon | 6 | 2023 |
| 93 | Liberia | 6 | 2023 |
| 94 | Libya | 6 | 2023 |
| 95 | Luxembourg | 6 | 2023 |
| 96 | Macao SAR, China | 6 | 2023 |
| 97 | Malawi | 6 | 2023 |
| 98 | Malaysia | 6 | 2023 |
| 99 | Mali | 6 | 2023 |
| 100 | Malta | 6 | 2023 |
| 101 | Marshall Islands | 6 | 2023 |
| 102 | Mauritania | 6 | 2023 |
| 103 | Mauritius | 6 | 2023 |
| 104 | Mexico | 6 | 2023 |
| 105 | Micronesia, Fed. Sts. | 6 | 2023 |
| 106 | Morocco | 6 | 2023 |
| 107 | Nauru | 6 | 2023 |
| 108 | Netherlands | 6 | 2023 |
| 109 | New Zealand | 6 | 2023 |
| 110 | Nicaragua | 6 | 2023 |
| 111 | Niger | 6 | 2023 |
| 112 | Nigeria | 6 | 2023 |
| 113 | Palau | 6 | 2023 |
| 114 | Panama | 6 | 2023 |
| 115 | Papua New Guinea | 6 | 2023 |
| 116 | Paraguay | 6 | 2023 |
| 117 | Peru | 6 | 2023 |
| 118 | Philippines | 6 | 2023 |
| 119 | Portugal | 6 | 2023 |
| 120 | Puerto Rico | 6 | 2023 |
| 121 | Qatar | 6 | 2023 |
| 122 | Rwanda | 6 | 2023 |
| 123 | Samoa | 6 | 2023 |
| 124 | Sao Tome and Principe | 6 | 2023 |
| 125 | Saudi Arabia | 6 | 2023 |
| 126 | Senegal | 6 | 2023 |
| 127 | Seychelles | 6 | 2023 |
| 128 | Sierra Leone | 6 | 2023 |
| 129 | Singapore | 6 | 2023 |
| 130 | Sint Maarten (Dutch part) | 6 | 2023 |
| 131 | Slovenia | 6 | 2023 |
| 132 | Solomon Islands | 6 | 2023 |
| 133 | South Sudan | 6 | 2023 |
| 134 | Spain | 6 | 2023 |
| 135 | Sudan | 6 | 2023 |
| 136 | Suriname | 6 | 2023 |
| 137 | Sweden | 6 | 2023 |
| 138 | Switzerland | 6 | 2023 |
| 139 | Syrian Arab Republic | 6 | 2023 |
| 140 | Thailand | 6 | 2023 |
| 141 | Timor-Leste | 6 | 2023 |
| 142 | Togo | 6 | 2023 |
| 143 | Tonga | 6 | 2023 |
| 144 | Tunisia | 6 | 2023 |
| 145 | Turks and Caicos Islands | 6 | 2023 |
| 146 | Tuvalu | 6 | 2023 |
| 147 | United Kingdom | 6 | 2023 |
| 148 | United States | 6 | 2023 |
| 149 | Uruguay | 6 | 2023 |
| 150 | Vanuatu | 6 | 2023 |
| 151 | Venezuela, RB | 6 | 2023 |
| 152 | Virgin Islands (U.S.) | 6 | 2023 |
| 153 | Yemen, Rep. | 6 | 2023 |
| 154 | Albania | 5 | 2023 |
| 155 | Algeria | 5 | 2023 |
| 156 | Bangladesh | 5 | 2023 |
| 157 | Bosnia and Herzegovina | 5 | 2023 |
| 158 | Brazil | 5 | 2023 |
| 159 | Colombia | 5 | 2023 |
| 160 | Czechia | 5 | 2023 |
| 161 | Djibouti | 5 | 2023 |
| 162 | Eritrea | 5 | 2023 |
| 163 | France | 5 | 2023 |
| 164 | French Polynesia | 5 | 2023 |
| 165 | Gabon | 5 | 2023 |
| 166 | India | 5 | 2023 |
| 167 | Italy | 5 | 2023 |
| 168 | Korea, Dem. People's Rep. | 5 | 2023 |
| 169 | Kuwait | 5 | 2023 |
| 170 | Lao PDR | 5 | 2023 |
| 171 | Liechtenstein | 5 | 2023 |
| 172 | Madagascar | 5 | 2023 |
| 173 | Monaco | 5 | 2023 |
| 174 | Mongolia | 5 | 2023 |
| 175 | Montenegro | 5 | 2023 |
| 176 | Myanmar | 5 | 2023 |
| 177 | Nepal | 5 | 2023 |
| 178 | New Caledonia | 5 | 2023 |
| 179 | North Macedonia | 5 | 2023 |
| 180 | Pakistan | 5 | 2023 |
| 181 | Romania | 5 | 2023 |
| 182 | San Marino | 5 | 2023 |
| 183 | Sri Lanka | 5 | 2023 |
| 184 | Viet Nam | 5 | 2023 |
| 185 | Armenia | 4 | 2023 |
| 186 | Austria | 4 | 2023 |
| 187 | Azerbaijan | 4 | 2023 |
| 188 | Belarus | 4 | 2023 |
| 189 | Bulgaria | 4 | 2023 |
| 190 | Croatia | 4 | 2023 |
| 191 | Germany | 4 | 2023 |
| 192 | Hungary | 4 | 2023 |
| 193 | Kazakhstan | 4 | 2023 |
| 194 | Kyrgyz Republic | 4 | 2023 |
| 195 | Lithuania | 4 | 2023 |
| 196 | Moldova | 4 | 2023 |
| 197 | Oman | 4 | 2023 |
| 198 | Poland | 4 | 2023 |
| 199 | Russian Federation | 4 | 2023 |
| 200 | Serbia | 4 | 2023 |
| 201 | Slovak Republic | 4 | 2023 |
| 202 | Somalia | 4 | 2023 |
| 203 | Tajikistan | 4 | 2023 |
| 204 | Turkiye | 4 | 2023 |
| 205 | Turkmenistan | 4 | 2023 |
| 206 | Ukraine | 4 | 2023 |
| 207 | United Arab Emirates | 4 | 2023 |
| 208 | Uzbekistan | 4 | 2023 |
| 209 | West Bank and Gaza | 4 | 2023 |