Table 6. Quantity of oil spilled onshore and offshore per unit of hydrocarbon production (tonnes per million tonnes), by region (2010 data).

Africa Asia/
Australasia
Europe Former Soviet Union Middle East North America South America Total
Onshore 53.11 4.86 1.39 0.48 0.79 3.40 12.86 7.08
Offshore 1.63 0.48 0.57 0.72 0.09 0.10 0.15 0.69
Unspecified 37.76 0.31 0.74 no data no data 2.13 no data 19.61
Total 17.27 1.57 0.70 0.58 0.62 2.67 4.04 4.51
Source: International Association of Oil and Gas Producers. 2011.