| Rank | Country | Value | Year |
|---|---|---|---|
| 1 | Ethiopia | 60 | 2018 |
| 2 | Gabon | 25 | 2018 |
| 3 | Burundi | 18 | 2018 |
| 4 | Congo, Rep. | 18 | 2018 |
| 5 | Uzbekistan | 16 | 2018 |
| 6 | Venezuela, RB | 15 | 2018 |
| 7 | Benin | 14 | 2018 |
| 8 | Albania | 10 | 2018 |
| 9 | Kazakhstan | 10 | 2018 |
| 10 | Qatar | 10 | 2018 |
| 11 | Armenia | 7 | 2018 |
| 12 | Czechia | 7 | 2018 |
| 13 | Sri Lanka | 6 | 2018 |
| 14 | Brazil | 5 | 2018 |
| 15 | Burkina Faso | 5 | 2018 |
| 16 | Cameroon | 5 | 2018 |
| 17 | Mexico | 5 | 2018 |
| 18 | Argentina | 4 | 2018 |
| 19 | Canada | 4 | 2018 |
| 20 | Cote d'Ivoire | 4 | 2018 |
| 21 | Guatemala | 4 | 2018 |
| 22 | Kenya | 4 | 2018 |
| 23 | Malawi | 4 | 2018 |
| 24 | Pakistan | 4 | 2018 |
| 25 | Saudi Arabia | 4 | 2018 |
| 26 | Tanzania | 4 | 2018 |
| 27 | Thailand | 4 | 2018 |
| 28 | Tunisia | 4 | 2018 |
| 29 | Azerbaijan | 3 | 2018 |
| 30 | Bolivia | 3 | 2018 |
| 31 | Chile | 3 | 2018 |
| 32 | Denmark | 3 | 2018 |
| 33 | Greece | 3 | 2018 |
| 34 | India | 3 | 2018 |
| 35 | Iran, Islamic Rep. | 3 | 2018 |
| 36 | Italy | 3 | 2018 |
| 37 | Mozambique | 3 | 2018 |
| 38 | Myanmar | 3 | 2018 |
| 39 | Namibia | 3 | 2018 |
| 40 | Nigeria | 3 | 2018 |
| 41 | Panama | 3 | 2018 |
| 42 | Paraguay | 3 | 2018 |
| 43 | Portugal | 3 | 2018 |
| 44 | Russian Federation | 3 | 2018 |
| 45 | Switzerland | 3 | 2018 |
| 46 | Turkiye | 3 | 2018 |
| 47 | Uganda | 3 | 2018 |
| 48 | Austria | 2 | 2018 |
| 49 | Belarus | 2 | 2018 |
| 50 | Belgium | 2 | 2018 |
| 51 | Bulgaria | 2 | 2018 |
| 52 | China | 2 | 2018 |
| 53 | Colombia | 2 | 2018 |
| 54 | Egypt, Arab Rep. | 2 | 2018 |
| 55 | Estonia | 2 | 2018 |
| 56 | Finland | 2 | 2018 |
| 57 | France | 2 | 2018 |
| 58 | Georgia | 2 | 2018 |
| 59 | Germany | 2 | 2018 |
| 60 | Indonesia | 2 | 2018 |
| 61 | Japan | 2 | 2018 |
| 62 | Kuwait | 2 | 2018 |
| 63 | Lao PDR | 2 | 2018 |
| 64 | Lithuania | 2 | 2018 |
| 65 | Luxembourg | 2 | 2018 |
| 66 | Malaysia | 2 | 2018 |
| 67 | Morocco | 2 | 2018 |
| 68 | Netherlands | 2 | 2018 |
| 69 | Oman | 2 | 2018 |
| 70 | Papua New Guinea | 2 | 2018 |
| 71 | Peru | 2 | 2018 |
| 72 | Romania | 2 | 2018 |
| 73 | Serbia | 2 | 2018 |
| 74 | Singapore | 2 | 2018 |
| 75 | Spain | 2 | 2018 |
| 76 | United Arab Emirates | 2 | 2018 |
| 77 | United Kingdom | 2 | 2018 |
| 78 | United States | 2 | 2018 |
| 79 | Viet Nam | 2 | 2018 |
| 80 | Australia | 1 | 2018 |
| 81 | Brunei Darussalam | 1 | 2018 |
| 82 | Ghana | 1 | 2018 |
| 83 | Latvia | 1 | 2018 |
| 84 | Madagascar | 1 | 2018 |
| 85 | Malta | 1 | 2018 |
| 86 | Mauritius | 1 | 2018 |
| 87 | Nepal | 1 | 2018 |
| 88 | North Macedonia | 1 | 2018 |
| 89 | Norway | 1 | 2018 |
| 90 | Philippines | 1 | 2018 |
| 91 | Poland | 1 | 2018 |
| 92 | Senegal | 1 | 2018 |
| 93 | Slovenia | 1 | 2018 |
| 94 | Sweden | 1 | 2018 |