| Country | Value 2019, billion | Value 2020, billion | Remarks | |||
|
| $ (rounded) | % | $ (rounded) | % |
| |
| 1. Japan | 117 | 22 | 108 | 21 |
| Three |
| 2. Greece | 102 | 19 | 100.5 | 20 | top global | |
| 3. China (*) | 100 | 19 = 60 | 98.5 | 20 = 61 | Fleets (*) China is going to surpass both Greece and Japan… (estimate) after COVID-19 | |
| 4. Singapore | 48 | 9 | 44 | 9 |
| |
| 5. Norway | 46 | 8 | 39 | 8 |
| |
| 6. USA | 39 | 7 | 33 | 7 |
| |
| 7. Germany | 33 | 6 | 28 | 6 |
| |
| 8. UK | 30 | 6 | 23 | 5 |
| |
| 9. Denmark | 23.5 | 4 | 21 | 4 |
| |
| Total | 538.5 | 100 | 495 | 100 |
| |
