| Rank | Country | Value | Year |
|---|---|---|---|
| 1 | Romania | 27.03 | 2020 |
| 2 | Georgia | 24.51 | 2020 |
| 3 | Latvia | 21.35 | 2020 |
| 4 | Lithuania | 19.82 | 2020 |
| 5 | Belarus | 19.44 | 2020 |
| 6 | Czechia | 19.05 | 2020 |
| 7 | Bulgaria | 19.03 | 2020 |
| 8 | Burkina Faso | 19 | 2020 |
| 9 | Poland | 18.74 | 2020 |
| 10 | Germany | 18.63 | 2020 |
| 11 | Tanzania | 18.51 | 2020 |
| 12 | Uganda | 18.46 | 2020 |
| 13 | Russian Federation | 18.14 | 2020 |
| 14 | Austria | 18.09 | 2020 |
| 15 | Moldova | 18.09 | 2020 |
| 16 | Estonia | 17.4 | 2020 |
| 17 | Lao PDR | 17.08 | 2020 |
| 18 | Slovak Republic | 17.05 | 2020 |
| 19 | United Kingdom | 16.83 | 2020 |
| 20 | Ireland | 16.6 | 2020 |
| 21 | Luxembourg | 16.5 | 2020 |
| 22 | France | 16.48 | 2020 |
| 23 | Slovenia | 16.4 | 2020 |
| 24 | Hungary | 16.12 | 2020 |
| 25 | Australia | 15.92 | 2020 |
| 26 | Switzerland | 15.68 | 2020 |
| 27 | Seychelles | 15.67 | 2020 |
| 28 | Canada | 15.59 | 2020 |
| 29 | United States | 15.54 | 2020 |
| 30 | New Zealand | 15.53 | 2020 |
| 31 | Ukraine | 15.5 | 2020 |
| 32 | Cameroon | 15.4 | 2020 |
| 33 | St. Lucia | 14.9 | 2020 |
| 34 | Belgium | 14.83 | 2020 |
| 35 | Sweden | 14.82 | 2020 |
| 36 | Andorra | 14.81 | 2020 |
| 37 | Denmark | 14.77 | 2020 |
| 38 | Spain | 14.52 | 2020 |
| 39 | Portugal | 14.4 | 2020 |
| 40 | Benin | 14.27 | 2020 |
| 41 | Finland | 14.25 | 2020 |
| 42 | Barbados | 13.64 | 2020 |
| 43 | Netherlands | 13.59 | 2020 |
| 44 | Thailand | 13.29 | 2020 |
| 45 | Viet Nam | 13.18 | 2020 |
| 46 | Gabon | 12.73 | 2020 |
| 47 | Argentina | 12.59 | 2020 |
| 48 | South Africa | 12.41 | 2020 |
| 49 | Brazil | 12.37 | 2020 |
| 50 | Botswana | 12.35 | 2020 |
| 51 | Croatia | 12.35 | 2020 |
| 52 | Mongolia | 12.35 | 2020 |
| 53 | Korea, Rep. | 12.18 | 2020 |
| 54 | Iceland | 12.05 | 2020 |
| 55 | Chile | 11.77 | 2020 |
| 56 | Grenada | 11.73 | 2020 |
| 57 | Eswatini | 11.49 | 2020 |
| 58 | Mauritius | 11.41 | 2020 |
| 59 | Norway | 11.38 | 2020 |
| 60 | Italy | 11.15 | 2020 |
| 61 | Antigua and Barbuda | 11.04 | 2020 |
| 62 | Cambodia | 10.92 | 2020 |
| 63 | Malta | 10.84 | 2020 |
| 64 | Dominican Republic | 10.31 | 2020 |
| 65 | Japan | 10.27 | 2020 |
| 66 | Cyprus | 10.07 | 2020 |
| 67 | Peru | 10.04 | 2020 |
| 68 | Bosnia and Herzegovina | 9.9 | 2020 |
| 69 | Equatorial Guinea | 9.86 | 2020 |
| 70 | Trinidad and Tobago | 9.82 | 2020 |
| 71 | Suriname | 9.67 | 2020 |
| 72 | Cabo Verde | 9.62 | 2020 |
| 73 | Congo, Rep. | 9.59 | 2020 |
| 74 | Greece | 9.29 | 2020 |
| 75 | Philippines | 9.1 | 2020 |
| 76 | Mali | 9.06 | 2020 |
| 77 | Uruguay | 8.97 | 2020 |
| 78 | St. Vincent and the Grenadines | 8.9 | 2020 |
| 79 | Paraguay | 8.88 | 2020 |
| 80 | Cuba | 8.79 | 2020 |
| 81 | Namibia | 8.79 | 2020 |
| 82 | Guyana | 8.23 | 2020 |
| 83 | Dominica | 8.1 | 2020 |
| 84 | Kazakhstan | 8.06 | 2020 |
| 85 | Mexico | 7.9 | 2020 |
| 86 | St. Kitts and Nevis | 7.67 | 2020 |
| 87 | Sao Tome and Principe | 7.61 | 2020 |
| 88 | Panama | 7.55 | 2020 |
| 89 | Armenia | 7.49 | 2020 |
| 90 | Lesotho | 7.39 | 2020 |
| 91 | Albania | 7.37 | 2020 |
| 92 | China | 7.31 | 2020 |
| 93 | North Macedonia | 7.25 | 2020 |
| 94 | Colombia | 6.98 | 2020 |
| 95 | Ghana | 6.96 | 2020 |
| 96 | Burundi | 6.86 | 2020 |
| 97 | India | 6.77 | 2020 |
| 98 | Angola | 6.61 | 2020 |
| 99 | Kyrgyz Republic | 6.4 | 2020 |
| 100 | Guinea-Bissau | 6.36 | 2020 |
| 101 | Nigeria | 6.31 | 2020 |
| 102 | Korea, Dem. People's Rep. | 6.29 | 2020 |
| 103 | Malawi | 6.15 | 2020 |
| 104 | Nicaragua | 6.05 | 2020 |
| 105 | Bahamas, The | 6.03 | 2020 |
| 106 | Fiji | 5.97 | 2020 |
| 107 | Zambia | 5.96 | 2020 |
| 108 | Belize | 5.85 | 2020 |
| 109 | Bolivia | 5.54 | 2020 |
| 110 | Costa Rica | 5.54 | 2020 |
| 111 | El Salvador | 5.35 | 2020 |
| 112 | Ethiopia | 5.2 | 2020 |
| 113 | Jamaica | 5.03 | 2020 |
| 114 | Haiti | 5.02 | 2020 |
| 115 | Honduras | 4.98 | 2020 |
| 116 | Sri Lanka | 4.98 | 2020 |
| 117 | Chad | 4.92 | 2020 |
| 118 | Rwanda | 4.83 | 2020 |
| 119 | Zimbabwe | 4.82 | 2020 |
| 120 | Cote d'Ivoire | 4.69 | 2020 |
| 121 | Liberia | 4.66 | 2020 |
| 122 | Turkmenistan | 4.6 | 2020 |
| 123 | Nauru | 4.59 | 2020 |
| 124 | Israel | 4.53 | 2020 |
| 125 | Azerbaijan | 4.44 | 2020 |
| 126 | Kenya | 4.14 | 2020 |
| 127 | Ecuador | 3.95 | 2020 |
| 128 | Samoa | 3.87 | 2020 |
| 129 | Uzbekistan | 3.67 | 2020 |
| 130 | Vanuatu | 3.39 | 2020 |
| 131 | Micronesia, Fed. Sts. | 3.37 | 2020 |
| 132 | Venezuela, RB | 3.29 | 2020 |
| 133 | Mozambique | 3.25 | 2020 |
| 134 | Myanmar | 3.2 | 2020 |
| 135 | Congo, Dem. Rep. | 3.1 | 2020 |
| 136 | Tunisia | 3.08 | 2020 |
| 137 | Turkiye | 2.99 | 2020 |
| 138 | Central African Republic | 2.83 | 2020 |
| 139 | Singapore | 2.76 | 2020 |
| 140 | United Arab Emirates | 2.72 | 2020 |
| 141 | Guatemala | 2.53 | 2020 |
| 142 | Solomon Islands | 2.39 | 2020 |
| 143 | Togo | 2.35 | 2020 |
| 144 | Maldives | 2.32 | 2020 |
| 145 | Lebanon | 2.28 | 2020 |
| 146 | Tuvalu | 2.08 | 2020 |
| 147 | Eritrea | 1.87 | 2020 |
| 148 | Nepal | 1.86 | 2020 |
| 149 | Papua New Guinea | 1.84 | 2020 |
| 150 | Bahrain | 1.78 | 2020 |
| 151 | Madagascar | 1.65 | 2020 |
| 152 | Qatar | 1.29 | 2020 |
| 153 | Tajikistan | 1.28 | 2020 |
| 154 | Malaysia | 1.26 | 2020 |
| 155 | Kiribati | 1.25 | 2020 |
| 156 | Gambia, The | 1.06 | 2020 |
| 157 | Algeria | 0.94 | 2020 |
| 158 | Guinea | 0.92 | 2020 |
| 159 | Iran, Islamic Rep. | 0.9 | 2020 |
| 160 | Morocco | 0.88 | 2020 |
| 161 | Brunei Darussalam | 0.82 | 2020 |
| 162 | Oman | 0.72 | 2020 |
| 163 | Senegal | 0.69 | 2020 |
| 164 | Djibouti | 0.67 | 2020 |
| 165 | Tonga | 0.62 | 2020 |
| 166 | Sierra Leone | 0.52 | 2020 |
| 167 | Iraq | 0.42 | 2020 |
| 168 | Comoros | 0.4 | 2020 |
| 169 | Jordan | 0.39 | 2020 |
| 170 | Bhutan | 0.3 | 2020 |
| 171 | Timor-Leste | 0.27 | 2020 |
| 172 | Egypt, Arab Rep. | 0.23 | 2020 |
| 173 | Niger | 0.22 | 2020 |
| 174 | Syrian Arab Republic | 0.17 | 2020 |
| 175 | Bangladesh | 0.16 | 2020 |
| 176 | Pakistan | 0.15 | 2020 |
| 177 | Indonesia | 0.13 | 2020 |
| 178 | Yemen, Rep. | 0.077 | 2020 |
| 179 | Libya | 0.021 | 2020 |
| 180 | Afghanistan | 0.02 | 2020 |
| 181 | Sudan | 0.018 | 2020 |
| 182 | Kuwait | 0 | 2020 |
| 183 | Mauritania | 0 | 2020 |
| 184 | Saudi Arabia | 0 | 2020 |
| 185 | Somalia | 0 | 2020 |