| Rank | Country | Value | Year |
|---|---|---|---|
| 1 | Canada | 179.68153 | 2020 |
| 2 | United States | 169.51784 | 2020 |
| 3 | Switzerland | 166.00632 | 2020 |
| 4 | Australia | 132.59308 | 2020 |
| 5 | United Kingdom | 124.20155 | 2020 |
| 6 | Sweden | 108.87138 | 2020 |
| 7 | Namibia | 100.43385 | 2020 |
| 8 | Chile | 75.793426 | 2020 |
| 9 | Israel | 68.935908 | 2020 |
| 10 | Finland | 64.43728 | 2020 |
| 11 | Bolivia | 57.233317 | 2020 |
| 12 | Hong Kong SAR, China | 54.785648 | 2020 |
| 13 | Malta | 54.120066 | 2020 |
| 14 | El Salvador | 50.301932 | 2020 |
| 15 | Singapore | 42.158972 | 2020 |
| 16 | Belgium | 39.900233 | 2020 |
| 17 | Costa Rica | 36.754064 | 2020 |
| 18 | Trinidad and Tobago | 36.469536 | 2020 |
| 19 | Ireland | 35.50662 | 2020 |
| 20 | Colombia | 34.453904 | 2020 |
| 21 | New Zealand | 34.412855 | 2020 |
| 22 | Croatia | 33.794816 | 2020 |
| 23 | Jamaica | 33.67283 | 2020 |
| 24 | Korea, Rep. | 31.519519 | 2020 |
| 25 | Japan | 30.098017 | 2020 |
| 26 | Uruguay | 30.030782 | 2020 |
| 27 | Maldives | 24.707685 | 2020 |
| 28 | Peru | 23.125599 | 2020 |
| 29 | Estonia | 21.774635 | 2020 |
| 30 | Mexico | 20.411996 | 2020 |
| 31 | Latvia | 19.33996 | 2020 |
| 32 | Macao SAR, China | 19.064247 | 2020 |
| 33 | Papua New Guinea | 18.994565 | 2020 |
| 34 | Kazakhstan | 15.399846 | 2020 |
| 35 | Dominican Republic | 14.485264 | 2020 |
| 36 | Bulgaria | 14.417789 | 2020 |
| 37 | Slovak Republic | 14.330047 | 2020 |
| 38 | Brazil | 13.901011 | 2020 |
| 39 | North Macedonia | 13.486132 | 2020 |
| 40 | Kenya | 13.29559 | 2020 |
| 41 | Rwanda | 12.673918 | 2020 |
| 42 | Italy | 12.636966 | 2020 |
| 43 | Norway | 12.344283 | 2020 |
| 44 | France | 12.177423 | 2020 |
| 45 | Malawi | 11.742485 | 2020 |
| 46 | Portugal | 11.517956 | 2020 |
| 47 | Spain | 10.507885 | 2020 |
| 48 | Lithuania | 9.783017 | 2020 |
| 49 | Czech Republic | 9.5193918 | 2020 |
| 50 | India | 9.2892201 | 2020 |
| 51 | Uganda | 8.9615443 | 2020 |
| 52 | Germany | 8.1907381 | 2020 |
| 53 | Thailand | 8.1217078 | 2020 |
| 54 | Slovenia | 7.9984369 | 2020 |
| 55 | Nigeria | 7.9778897 | 2020 |
| 56 | Romania | 7.3960301 | 2020 |
| 57 | Guyana | 7.1493491 | 2020 |
| 58 | Austria | 6.5825361 | 2020 |
| 59 | Poland | 6.4268959 | 2020 |
| 60 | Armenia | 5.9754013 | 2020 |
| 61 | Ghana | 5.4589429 | 2020 |
| 62 | Russian Federation | 4.3285828 | 2020 |
| 63 | Hungary | 3.9615188 | 2020 |
| 64 | Turkey | 3.3582723 | 2020 |
| 65 | Luxembourg | 2.8497004 | 2020 |
| 66 | Zambia | 2.8248033 | 2020 |
| 67 | Georgia | 2.3570827 | 2020 |
| 68 | China | 2.1955797 | 2020 |
| 69 | Indonesia | 1.983255 | 2020 |
| 70 | Angola | 1.5745838 | 2020 |
| 71 | Egypt, Arab Rep. | 1.5185739 | 2020 |
| 72 | Mozambique | 1.2173911 | 2020 |
| 73 | Panama | 1.2143694 | 2020 |
| 74 | Greece | 0.99379154 | 2020 |
| 75 | Serbia | 0.85420121 | 2020 |
| 76 | Albania | 0.22372207 | 2020 |
| 77 | Pakistan | 0.08516817 | 2020 |
| 78 | Ukraine | 0.08322312 | 2020 |