| Rank | Country | Value | Year |
|---|---|---|---|
| 1 | Bulgaria | 112.71 | 2018 |
| 2 | Cyprus | 84.42 | 2018 |
| 3 | Andorra | 83.11 | 2018 |
| 4 | Ireland | 71.97 | 2018 |
| 5 | Slovenia | 66.7 | 2018 |
| 6 | Brazil | 55.47 | 2018 |
| 7 | Slovak Republic | 53.9 | 2018 |
| 8 | Argentina | 50.05 | 2018 |
| 9 | Seychelles | 48.57 | 2018 |
| 10 | Tuvalu | 26.07 | 2018 |
| 11 | Costa Rica | 25.46 | 2018 |
| 12 | St. Vincent and the Grenadines | 23.59 | 2018 |
| 13 | Paraguay | 20.53 | 2018 |
| 14 | Grenada | 12.56 | 2018 |
| 15 | Fiji | 5.43 | 2018 |
| 16 | Cambodia | 4.2 | 2018 |
| 17 | Bangladesh | 2.91 | 2018 |
| 18 | Mozambique | 0.53 | 2018 |
| 19 | Burundi | 0.4 | 2018 |