Continent | Oil and gas geological structures in % of total deposit area | Total, % | |
Onshore, % | Offshore, % | ||
Australia | 1.1 | 0.5 | 1.6 |
Africa | 4.0 | 1.4 | 5.4 |
South America | 4.1 | 1.1 | 5.2 |
North America | 19.8 | 3.3 | 23.1 |
Europe | 20.7 | 7.9 | 28.6 |
Asia | 31.4 | 4.6 | 36.0 |
Total | 81.1 | 18.8 | 99.9 |