| Rank | Country | Value | Year |
|---|---|---|---|
| 1 | Barbados | 5.054541 | 2020 |
| 2 | Luxembourg | 4.838912 | 2020 |
| 3 | Korea, Rep. | 4.614048 | 2020 |
| 4 | United States | 3.391386 | 2020 |
| 5 | Canada | 3.316457 | 2020 |
| 6 | Bahamas, The | 3.293927 | 2020 |
| 7 | Belize | 3.143965 | 2020 |
| 8 | Trinidad and Tobago | 2.608482 | 2020 |
| 9 | France | 2.448499 | 2020 |
| 10 | Austria | 2.361149 | 2020 |
| 11 | Spain | 2.316017 | 2020 |
| 12 | Denmark | 2.303007 | 2020 |
| 13 | Australia | 2.241849 | 2020 |
| 14 | Slovenia | 2.2111 | 2020 |
| 15 | Argentina | 2.159913 | 2020 |
| 16 | Iceland | 2.138876 | 2020 |
| 17 | Portugal | 2.046584 | 2020 |
| 18 | Germany | 2.041736 | 2020 |
| 19 | Bulgaria | 1.923672 | 2020 |
| 20 | Norway | 1.922483 | 2020 |
| 21 | Morocco | 1.853909 | 2020 |
| 22 | Croatia | 1.771222 | 2020 |
| 23 | Honduras | 1.722983 | 2020 |
| 24 | Cyprus | 1.675237 | 2020 |
| 25 | Rwanda | 1.664158 | 2020 |
| 26 | Japan | 1.661973 | 2020 |
| 27 | Czech Republic | 1.657945 | 2020 |
| 28 | Uruguay | 1.65398 | 2020 |
| 29 | Suriname | 1.649425 | 2020 |
| 30 | Italy | 1.641476 | 2020 |
| 31 | Finland | 1.632119 | 2020 |
| 32 | Costa Rica | 1.584898 | 2020 |
| 33 | Aruba | 1.550166 | 2020 |
| 34 | Poland | 1.543695 | 2020 |
| 35 | Chile | 1.525393 | 2020 |
| 36 | Ecuador | 1.474991 | 2020 |
| 37 | Panama | 1.42117 | 2020 |
| 38 | Colombia | 1.410103 | 2020 |
| 39 | Israel | 1.392825 | 2020 |
| 40 | Netherlands | 1.384439 | 2020 |
| 41 | Serbia | 1.350801 | 2020 |
| 42 | Estonia | 1.332713 | 2020 |
| 43 | Hungary | 1.321929 | 2020 |
| 44 | El Salvador | 1.321294 | 2020 |
| 45 | Thailand | 1.314624 | 2020 |
| 46 | Macao SAR, China | 1.268071 | 2020 |
| 47 | Namibia | 1.233809 | 2020 |
| 48 | Slovak Republic | 1.222156 | 2020 |
| 49 | Lithuania | 1.188184 | 2020 |
| 50 | China | 1.17413 | 2020 |
| 51 | Mozambique | 1.12641 | 2020 |
| 52 | Turkey | 1.107381 | 2020 |
| 53 | Jordan | 1.105283 | 2020 |
| 54 | North Macedonia | 1.088415 | 2020 |
| 55 | Greece | 1.062505 | 2020 |
| 56 | Hong Kong SAR, China | 1.04135 | 2020 |
| 57 | Latvia | 0.9991681 | 2020 |
| 58 | Brazil | 0.9962905 | 2020 |
| 59 | Guatemala | 0.971411 | 2020 |
| 60 | Paraguay | 0.9481277 | 2020 |
| 61 | Albania | 0.894483 | 2020 |
| 62 | Peru | 0.8724623 | 2020 |
| 63 | Dominican Republic | 0.8663741 | 2020 |
| 64 | Taiwan, China | 0.8446661 | 2020 |
| 65 | Romania | 0.8422216 | 2020 |
| 66 | Kenya | 0.8207447 | 2020 |
| 67 | Algeria | 0.7651609 | 2020 |
| 68 | Ukraine | 0.7641508 | 2020 |
| 69 | Singapore | 0.75404 | 2020 |
| 70 | Bolivia | 0.7484304 | 2020 |
| 71 | Russian Federation | 0.7456906 | 2020 |
| 72 | Belarus | 0.7379164 | 2020 |
| 73 | Georgia | 0.6719902 | 2020 |
| 74 | Burkina Faso | 0.6602366 | 2020 |
| 75 | Gabon | 0.6327562 | 2020 |
| 76 | Moldova | 0.6108801 | 2020 |
| 77 | Cameroon | 0.5842534 | 2020 |
| 78 | Sri Lanka | 0.5840898 | 2020 |
| 79 | Saudi Arabia | 0.5590772 | 2020 |
| 80 | Ghana | 0.5022677 | 2020 |
| 81 | Indonesia | 0.4981672 | 2020 |
| 82 | Armenia | 0.489431 | 2020 |
| 83 | Kazakhstan | 0.4723841 | 2020 |
| 84 | Philippines | 0.4674073 | 2020 |
| 85 | Mongolia | 0.457897 | 2020 |
| 86 | Brunei Darussalam | 0.4501495 | 2020 |
| 87 | Uganda | 0.3802311 | 2020 |
| 88 | Tanzania | 0.3735997 | 2020 |
| 89 | Cambodia | 0.3337857 | 2020 |
| 90 | Angola | 0.2867172 | 2020 |
| 91 | Tajikistan | 0.2858866 | 2020 |
| 92 | Myanmar | 0.277365 | 2020 |
| 93 | Yemen, Rep. | 0.2634285 | 2020 |
| 94 | Mauritania | 0.255095 | 2020 |
| 95 | Pakistan | 0.2231525 | 2020 |
| 96 | Kyrgyz Republic | 0.1973906 | 2020 |