| Rank | Country | Value | Year |
|---|---|---|---|
| 1 | Romania | 16.8 | 2020 |
| 2 | Georgia | 14.41 | 2020 |
| 3 | Latvia | 12.87 | 2020 |
| 4 | Lithuania | 12.1 | 2020 |
| 5 | Czechia | 11.99 | 2020 |
| 6 | Germany | 11.84 | 2020 |
| 7 | Poland | 11.66 | 2020 |
| 8 | Belarus | 11.63 | 2020 |
| 9 | Bulgaria | 11.62 | 2020 |
| 10 | Austria | 11.51 | 2020 |
| 11 | Uganda | 11.3 | 2020 |
| 12 | Burkina Faso | 11.27 | 2020 |
| 13 | Moldova | 11.08 | 2020 |
| 14 | Tanzania | 10.95 | 2020 |
| 15 | Lao PDR | 10.82 | 2020 |
| 16 | Luxembourg | 10.82 | 2020 |
| 17 | Ireland | 10.77 | 2020 |
| 18 | United Kingdom | 10.73 | 2020 |
| 19 | Estonia | 10.68 | 2020 |
| 20 | Slovak Republic | 10.67 | 2020 |
| 21 | Russian Federation | 10.53 | 2020 |
| 22 | Slovenia | 10.41 | 2020 |
| 23 | France | 10.32 | 2020 |
| 24 | Australia | 10.29 | 2020 |
| 25 | Seychelles | 10.19 | 2020 |
| 26 | Switzerland | 10.07 | 2020 |
| 27 | New Zealand | 10.02 | 2020 |
| 28 | Hungary | 9.93 | 2020 |
| 29 | United States | 9.9 | 2020 |
| 30 | Canada | 9.89 | 2020 |
| 31 | Andorra | 9.68 | 2020 |
| 32 | Cameroon | 9.6 | 2020 |
| 33 | Sweden | 9.57 | 2020 |
| 34 | Denmark | 9.49 | 2020 |
| 35 | Belgium | 9.43 | 2020 |
| 36 | St. Lucia | 9.28 | 2020 |
| 37 | Ukraine | 9.24 | 2020 |
| 38 | Spain | 9.16 | 2020 |
| 39 | Finland | 9.08 | 2020 |
| 40 | Portugal | 8.88 | 2020 |
| 41 | Benin | 8.83 | 2020 |
| 42 | Netherlands | 8.71 | 2020 |
| 43 | Barbados | 8.22 | 2020 |
| 44 | Gabon | 8.14 | 2020 |
| 45 | Argentina | 8.05 | 2020 |
| 46 | Viet Nam | 8.04 | 2020 |
| 47 | Thailand | 7.99 | 2020 |
| 48 | Iceland | 7.94 | 2020 |
| 49 | Korea, Rep. | 7.79 | 2020 |
| 50 | Brazil | 7.7 | 2020 |
| 51 | Mongolia | 7.68 | 2020 |
| 52 | Croatia | 7.65 | 2020 |
| 53 | Chile | 7.56 | 2020 |
| 54 | Norway | 7.38 | 2020 |
| 55 | Grenada | 7.33 | 2020 |
| 56 | Botswana | 7.27 | 2020 |
| 57 | South Africa | 7.13 | 2020 |
| 58 | Malta | 7.11 | 2020 |
| 59 | Italy | 6.97 | 2020 |
| 60 | Mauritius | 6.86 | 2020 |
| 61 | Eswatini | 6.79 | 2020 |
| 62 | Cambodia | 6.67 | 2020 |
| 63 | Antigua and Barbuda | 6.66 | 2020 |
| 64 | Equatorial Guinea | 6.56 | 2020 |
| 65 | Dominican Republic | 6.5 | 2020 |
| 66 | Peru | 6.45 | 2020 |
| 67 | Japan | 6.38 | 2020 |
| 68 | Cyprus | 6.36 | 2020 |
| 69 | Congo, Rep. | 6.05 | 2020 |
| 70 | Trinidad and Tobago | 6.03 | 2020 |
| 71 | Cabo Verde | 6.01 | 2020 |
| 72 | Suriname | 5.93 | 2020 |
| 73 | Bosnia and Herzegovina | 5.87 | 2020 |
| 74 | Greece | 5.81 | 2020 |
| 75 | Philippines | 5.66 | 2020 |
| 76 | Paraguay | 5.62 | 2020 |
| 77 | St. Vincent and the Grenadines | 5.62 | 2020 |
| 78 | Uruguay | 5.61 | 2020 |
| 79 | Cuba | 5.38 | 2020 |
| 80 | Mali | 5.32 | 2020 |
| 81 | Namibia | 5.05 | 2020 |
| 82 | Guyana | 5.04 | 2020 |
| 83 | Dominica | 5.02 | 2020 |
| 84 | Mexico | 4.79 | 2020 |
| 85 | Sao Tome and Principe | 4.79 | 2020 |
| 86 | St. Kitts and Nevis | 4.69 | 2020 |
| 87 | Panama | 4.66 | 2020 |
| 88 | China | 4.58 | 2020 |
| 89 | Kazakhstan | 4.52 | 2020 |
| 90 | Albania | 4.47 | 2020 |
| 91 | North Macedonia | 4.36 | 2020 |
| 92 | Lesotho | 4.3 | 2020 |
| 93 | Armenia | 4.28 | 2020 |
| 94 | Ghana | 4.26 | 2020 |
| 95 | Colombia | 4.24 | 2020 |
| 96 | Burundi | 4.16 | 2020 |
| 97 | Angola | 4.13 | 2020 |
| 98 | India | 4.1 | 2020 |
| 99 | Korea, Dem. People's Rep. | 3.87 | 2020 |
| 100 | Nigeria | 3.78 | 2020 |
| 101 | Guinea-Bissau | 3.73 | 2020 |
| 102 | Belize | 3.67 | 2020 |
| 103 | Nicaragua | 3.67 | 2020 |
| 104 | Bahamas, The | 3.65 | 2020 |
| 105 | Kyrgyz Republic | 3.63 | 2020 |
| 106 | Zambia | 3.62 | 2020 |
| 107 | Malawi | 3.61 | 2020 |
| 108 | Bolivia | 3.59 | 2020 |
| 109 | Fiji | 3.58 | 2020 |
| 110 | Costa Rica | 3.4 | 2020 |
| 111 | El Salvador | 3.15 | 2020 |
| 112 | Haiti | 3.11 | 2020 |
| 113 | Jamaica | 3.1 | 2020 |
| 114 | Honduras | 3.08 | 2020 |
| 115 | Ethiopia | 3.06 | 2020 |
| 116 | Chad | 2.91 | 2020 |
| 117 | Sri Lanka | 2.91 | 2020 |
| 118 | Rwanda | 2.87 | 2020 |
| 119 | Liberia | 2.86 | 2020 |
| 120 | Cote d'Ivoire | 2.85 | 2020 |
| 121 | Israel | 2.84 | 2020 |
| 122 | Nauru | 2.79 | 2020 |
| 123 | Zimbabwe | 2.67 | 2020 |
| 124 | Turkmenistan | 2.62 | 2020 |
| 125 | Ecuador | 2.54 | 2020 |
| 126 | Azerbaijan | 2.49 | 2020 |
| 127 | Kenya | 2.47 | 2020 |
| 128 | Samoa | 2.35 | 2020 |
| 129 | Uzbekistan | 2.1 | 2020 |
| 130 | United Arab Emirates | 2.08 | 2020 |
| 131 | Vanuatu | 2.04 | 2020 |
| 132 | Micronesia, Fed. Sts. | 2.02 | 2020 |
| 133 | Venezuela, RB | 1.99 | 2020 |
| 134 | Myanmar | 1.93 | 2020 |
| 135 | Congo, Dem. Rep. | 1.92 | 2020 |
| 136 | Mozambique | 1.89 | 2020 |
| 137 | Singapore | 1.81 | 2020 |
| 138 | Central African Republic | 1.75 | 2020 |
| 139 | Tunisia | 1.71 | 2020 |
| 140 | Turkiye | 1.69 | 2020 |
| 141 | Guatemala | 1.54 | 2020 |
| 142 | Maldives | 1.49 | 2020 |
| 143 | Solomon Islands | 1.45 | 2020 |
| 144 | Togo | 1.44 | 2020 |
| 145 | Lebanon | 1.26 | 2020 |
| 146 | Tuvalu | 1.26 | 2020 |
| 147 | Bahrain | 1.25 | 2020 |
| 148 | Papua New Guinea | 1.13 | 2020 |
| 149 | Eritrea | 1.07 | 2020 |
| 150 | Nepal | 1.06 | 2020 |
| 151 | Qatar | 1.05 | 2020 |
| 152 | Madagascar | 0.99 | 2020 |
| 153 | Malaysia | 0.74 | 2020 |
| 154 | Tajikistan | 0.74 | 2020 |
| 155 | Kiribati | 0.72 | 2020 |
| 156 | Gambia, The | 0.61 | 2020 |
| 157 | Algeria | 0.54 | 2020 |
| 158 | Guinea | 0.52 | 2020 |
| 159 | Brunei Darussalam | 0.51 | 2020 |
| 160 | Iran, Islamic Rep. | 0.51 | 2020 |
| 161 | Oman | 0.51 | 2020 |
| 162 | Morocco | 0.5 | 2020 |
| 163 | Djibouti | 0.38 | 2020 |
| 164 | Senegal | 0.38 | 2020 |
| 165 | Tonga | 0.36 | 2020 |
| 166 | Sierra Leone | 0.29 | 2020 |
| 167 | Iraq | 0.24 | 2020 |
| 168 | Comoros | 0.23 | 2020 |
| 169 | Jordan | 0.23 | 2020 |
| 170 | Bhutan | 0.18 | 2020 |
| 171 | Timor-Leste | 0.17 | 2020 |
| 172 | Egypt, Arab Rep. | 0.13 | 2020 |
| 173 | Niger | 0.13 | 2020 |
| 174 | Bangladesh | 0.092 | 2020 |
| 175 | Syrian Arab Republic | 0.092 | 2020 |
| 176 | Pakistan | 0.084 | 2020 |
| 177 | Indonesia | 0.074 | 2020 |
| 178 | Yemen, Rep. | 0.044 | 2020 |
| 179 | Libya | 0.012 | 2020 |
| 180 | Afghanistan | 0.011 | 2020 |
| 181 | Sudan | 0.01 | 2020 |
| 182 | Kuwait | 0 | 2020 |
| 183 | Mauritania | 0 | 2020 |
| 184 | Saudi Arabia | 0 | 2020 |
| 185 | Somalia | 0 | 2020 |