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Emissions to air of greenhouse gases. Million tonnes CO2 equivalents1 | Greenhouse gases total | Carbon dioxide (CO2) | Methane (CH4) | Nitrous oxide (N2O) | Hydrofluoro-carbons (HFCs) | Perfluoro-carbons (PFCs) | Sulphur- hexafluoride (SF6) |
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1Does not include ocean transport and international air transport. |
1990 | 51.7 | 35.7 | 5.8 | 4.2 | 0.0 | 3.9 | 2.1 |
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2000 | 54.6 | 42.2 | 5.7 | 3.9 | 0.4 | 1.5 | 0.9 |
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2012 | 53.7 | 44.6 | 5.2 | 2.6 | 1.1 | 0.2 | 0.1 |
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2013 | 53.4 | 44.3 | 5.2 | 2.6 | 1.2 | 0.2 | 0.1 |
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2014 | 53.2 | 44.0 | 5.3 | 2.6 | 1.2 | 0.2 | 0.1 |
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2015 | 53.9 | 44.7 | 5.2 | 2.6 | 1.2 | 0.1 | 0.1 |
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2016 | 53.3 | 44.1 | 5.1 | 2.5 | 1.4 | 0.2 | 0.1 |
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