| Rank | Country | Value | Year |
|---|---|---|---|
| 1 | Timor-Leste | 57.1989917274677 | 2021 |
| 2 | Oman | 23.9732239927888 | 2021 |
| 3 | Angola | 22.5306656063475 | 2021 |
| 4 | Congo, Rep. | 21.8748521200386 | 2021 |
| 5 | Guyana | 19.5530170360693 | 2021 |
| 6 | Equatorial Guinea | 18.7543270864404 | 2021 |
| 7 | Brunei Darussalam | 16.0389405897225 | 2021 |
| 8 | Azerbaijan | 15.9094194579174 | 2021 |
| 9 | Libya | 13.5040314410146 | 2021 |
| 10 | Algeria | 12.7875490238435 | 2021 |
| 11 | Iraq | 11.5400382431021 | 2021 |
| 12 | Gabon | 11.2745159019725 | 2021 |
| 13 | Chad | 9.57511251254643 | 2021 |
| 14 | Papua New Guinea | 9.36808680050081 | 2021 |
| 15 | Qatar | 8.75265585786877 | 2021 |
| 16 | Kazakhstan | 8.74101049295954 | 2021 |
| 17 | Russian Federation | 8.56466446175717 | 2021 |
| 18 | Uzbekistan | 8.43809016319972 | 2021 |
| 19 | Norway | 7.71310815458361 | 2021 |
| 20 | Suriname | 7.70631138989342 | 2021 |
| 21 | Trinidad and Tobago | 6.30750097725736 | 2021 |
| 22 | Ecuador | 5.74761865404566 | 2021 |
| 23 | Iran, Islamic Rep. | 5.01188744416475 | 2021 |
| 24 | Malaysia | 4.23294654590409 | 2021 |
| 25 | Egypt, Arab Rep. | 3.57033929461972 | 2021 |
| 26 | Colombia | 3.54360731309851 | 2021 |
| 27 | Mongolia | 3.38917267788651 | 2021 |
| 28 | Nigeria | 2.7341515185273 | 2021 |
| 29 | Ghana | 2.6087935046989 | 2021 |
| 30 | Myanmar | 2.3831122123211 | 2021 |
| 31 | Cameroon | 2.32795317755994 | 2021 |
| 32 | Bolivia | 2.29284531429747 | 2021 |
| 33 | Brazil | 2.26355193351451 | 2021 |
| 34 | Indonesia | 1.97850754829787 | 2021 |
| 35 | Mexico | 1.91158337943376 | 2021 |
| 36 | South Africa | 1.74083743426481 | 2021 |
| 37 | Australia | 1.6313907314568 | 2021 |
| 38 | Argentina | 1.59471633197215 | 2021 |
| 39 | Thailand | 1.38139891324547 | 2021 |
| 40 | Canada | 1.38137995751415 | 2021 |
| 41 | Tunisia | 1.17257201203724 | 2021 |
| 42 | Pakistan | 0.914493271659386 | 2021 |
| 43 | United States | 0.754588126034697 | 2021 |
| 44 | Estonia | 0.751175020158322 | 2021 |
| 45 | Romania | 0.73461491551263 | 2021 |
| 46 | Ukraine | 0.690472739507103 | 2021 |
| 47 | China | 0.689430074246557 | 2021 |
| 48 | Belarus | 0.672071495838844 | 2021 |
| 49 | Mozambique | 0.603381643262188 | 2021 |
| 50 | Albania | 0.597381359156188 | 2021 |
| 51 | Cote d'Ivoire | 0.531806702192145 | 2021 |
| 52 | Cabo Verde | 0.525710297090096 | 2021 |
| 53 | United Kingdom | 0.520437730087214 | 2021 |
| 54 | India | 0.511873027354764 | 2021 |
| 55 | Viet Nam | 0.474122019985545 | 2021 |
| 56 | Bangladesh | 0.464798446132852 | 2021 |
| 57 | Congo, Dem. Rep. | 0.463048823720887 | 2021 |
| 58 | Sudan | 0.436337399103125 | 2021 |
| 59 | Serbia | 0.399867319095447 | 2021 |
| 60 | New Zealand | 0.360618003410577 | 2021 |
| 61 | Botswana | 0.353486762617424 | 2021 |
| 62 | Hungary | 0.319632177340444 | 2021 |
| 63 | Croatia | 0.313411791737306 | 2021 |
| 64 | Netherlands | 0.302246219230329 | 2021 |
| 65 | Barbados | 0.296709015394712 | 2021 |
| 66 | Peru | 0.294884609045612 | 2021 |
| 67 | Jamaica | 0.255776620215343 | 2021 |
| 68 | Israel | 0.248413406721533 | 2021 |
| 69 | Tajikistan | 0.24037213919608 | 2021 |
| 70 | Niger | 0.238220505040745 | 2021 |
| 71 | Denmark | 0.228745533377909 | 2021 |
| 72 | Tanzania | 0.208866700729448 | 2021 |
| 73 | Philippines | 0.18202107563551 | 2021 |
| 74 | Belize | 0.154826434502323 | 2021 |
| 75 | Poland | 0.145607809405446 | 2021 |
| 76 | Turkiye | 0.120118602092746 | 2021 |
| 77 | Zimbabwe | 0.113046926206251 | 2021 |
| 78 | Italy | 0.0758248263771167 | 2021 |
| 79 | Guatemala | 0.0686631862785583 | 2021 |
| 80 | Paraguay | 0.0633115426886244 | 2021 |
| 81 | Ireland | 0.0627182653666474 | 2021 |
| 82 | Bulgaria | 0.0564323535361551 | 2021 |
| 83 | Austria | 0.0538052225280194 | 2021 |
| 84 | Kosovo | 0.0525272352236925 | 2021 |
| 85 | Latvia | 0.051110585363217 | 2021 |
| 86 | Czechia | 0.047905636158694 | 2021 |
| 87 | Madagascar | 0.0469547662347942 | 2021 |
| 88 | Montenegro | 0.0413987577076643 | 2021 |
| 89 | Bosnia and Herzegovina | 0.0409789332692792 | 2021 |
| 90 | Portugal | 0.040233840674912 | 2021 |
| 91 | Jordan | 0.0349626979237572 | 2021 |
| 92 | Finland | 0.0343582204009129 | 2021 |
| 93 | Cambodia | 0.0316430241693597 | 2021 |
| 94 | Germany | 0.0295485628853888 | 2021 |
| 95 | Korea, Rep. | 0.0246537602855588 | 2021 |
| 96 | Belgium | 0.0238703148409493 | 2021 |
| 97 | Zambia | 0.023071220580272 | 2021 |
| 98 | Mauritania | 0.0204017154242082 | 2021 |
| 99 | Sweden | 0.0203138760991424 | 2021 |
| 100 | Nicaragua | 0.0185138495292042 | 2021 |
| 101 | Afghanistan | 0.0182028796567567 | 2021 |
| 102 | Greece | 0.0146952060893238 | 2021 |
| 103 | Kyrgyz Republic | 0.0135669187744941 | 2021 |
| 104 | Malawi | 0.0119674849730604 | 2021 |
| 105 | Chile | 0.0102648292238417 | 2021 |
| 106 | Japan | 0.00905322879275753 | 2021 |
| 107 | Uruguay | 0.00893297768332422 | 2021 |
| 108 | Moldova | 0.00849473550140378 | 2021 |
| 109 | Costa Rica | 0.00807538237350335 | 2021 |
| 110 | Morocco | 0.00796627034793519 | 2021 |
| 111 | Slovenia | 0.00770124414517368 | 2021 |
| 112 | Lithuania | 0.00734201062409201 | 2021 |
| 113 | France | 0.00550683481013504 | 2021 |
| 114 | Slovak Republic | 0.00319420842345686 | 2021 |
| 115 | Georgia | 0.00318354531342398 | 2021 |
| 116 | Nepal | 0.00278734524396106 | 2021 |
| 117 | Rwanda | 0.00117308939020696 | 2021 |
| 118 | Senegal | 0.00113052861925113 | 2021 |
| 119 | Honduras | 0.000927702115156125 | 2021 |
| 120 | North Macedonia | 0.000459553724898377 | 2021 |
| 121 | Switzerland | 0.000394551892247341 | 2021 |
| 122 | Spain | 0.000246729923813937 | 2021 |
| 123 | Hong Kong SAR, China | 0.000241317915308983 | 2021 |
| 124 | El Salvador | 0.000134326205129917 | 2021 |
| 125 | Ethiopia | 0.00000494034672151013 | 2021 |
| 126 | Eswatini | 0.00000355028837070916 | 2021 |
| 127 | Armenia | 8.21461909468869e-9 | 2021 |
| 128 | Antigua and Barbuda | 0 | 2021 |
| 129 | Aruba | 0 | 2021 |
| 130 | Bahamas, The | 0 | 2021 |
| 131 | Benin | 0 | 2021 |
| 132 | Bermuda | 0 | 2021 |
| 133 | Bhutan | 0 | 2021 |
| 134 | Burkina Faso | 0 | 2021 |
| 135 | Burundi | 0 | 2021 |
| 136 | Central African Republic | 0 | 2021 |
| 137 | Comoros | 0 | 2021 |
| 138 | Curacao | 0 | 2021 |
| 139 | Cyprus | 0 | 2021 |
| 140 | Djibouti | 0 | 2021 |
| 141 | Dominica | 0 | 2021 |
| 142 | Dominican Republic | 0 | 2021 |
| 143 | Faroe Islands | 0 | 2021 |
| 144 | Fiji | 0 | 2021 |
| 145 | Gambia, The | 0 | 2021 |
| 146 | Grenada | 0 | 2021 |
| 147 | Guinea | 0 | 2021 |
| 148 | Guinea-Bissau | 0 | 2021 |
| 149 | Haiti | 0 | 2021 |
| 150 | Iceland | 0 | 2021 |
| 151 | Kenya | 0 | 2021 |
| 152 | Kiribati | 0 | 2021 |
| 153 | Lao PDR | 0 | 2021 |
| 154 | Lebanon | 0 | 2021 |
| 155 | Lesotho | 0 | 2021 |
| 156 | Liberia | 0 | 2021 |
| 157 | Luxembourg | 0 | 2021 |
| 158 | Macao SAR, China | 0 | 2021 |
| 159 | Maldives | 0 | 2021 |
| 160 | Mali | 0 | 2021 |
| 161 | Malta | 0 | 2021 |
| 162 | Mauritius | 0 | 2021 |
| 163 | Micronesia, Fed. Sts. | 0 | 2021 |
| 164 | Namibia | 0 | 2021 |
| 165 | Nauru | 0 | 2021 |
| 166 | Panama | 0 | 2021 |
| 167 | Puerto Rico | 0 | 2021 |
| 168 | Samoa | 0 | 2021 |
| 169 | Sao Tome and Principe | 0 | 2021 |
| 170 | Seychelles | 0 | 2021 |
| 171 | Sierra Leone | 0 | 2021 |
| 172 | Singapore | 0 | 2021 |
| 173 | Solomon Islands | 0 | 2021 |
| 174 | Somalia | 0 | 2021 |
| 175 | Sri Lanka | 0 | 2021 |
| 176 | St. Kitts and Nevis | 0 | 2021 |
| 177 | St. Lucia | 0 | 2021 |
| 178 | St. Vincent and the Grenadines | 0 | 2021 |
| 179 | Togo | 0 | 2021 |
| 180 | Tonga | 0 | 2021 |
| 181 | Turks and Caicos Islands | 0 | 2021 |
| 182 | Tuvalu | 0 | 2021 |
| 183 | Uganda | 0 | 2021 |
| 184 | Vanuatu | 0 | 2021 |
| 185 | West Bank and Gaza | 0 | 2021 |