| Year | CO2 |
CH4 | N2O | HFCs, PFCs & SF6 |
| 1990 | 25.3 |
25.4 |
10.4 |
0.7 |
| 1991 | 25.9 |
25.4 |
10.5 |
0.3 |
| 1992 | 27.7 |
24.9 |
10.4 |
0.3 |
| 1993 | 27.1 |
25.1 |
10.6 |
0.2 |
| 1994 | 27.2 |
25.7 |
11.0 |
0.3 |
| 1995 | 27.2 |
25.8 |
11.2 |
0.3 |
| 1996 | 28.2 |
26.1 |
11.4 |
0.5 |
| 1997 | 30.5 |
26.6 |
11.6 |
0.3 |
| 1998 | 29.1 |
26.1 |
11.5 |
0.4 |
| 1999 | 30.3 |
26.3 |
11.7 |
0.4 |
| 2000 | 31.1 |
27.1 |
12.1 |
0.4 |
| 2001 | 33.0 |
27.2 |
12.5 |
0.4 |
| 2002 | 33.1 |
27.0 |
12.8 |
0.6 |
| 2003 | 34.9 |
27.2 |
13.2 |
0.8 |
| 2004 | 34.2 |
27.1 |
13.2 |
0.6 |
| 2005 | 35.9 |
27.3 |
13.4 |
0.8 |
| 2006 | 36.2 |
27.5 |
13.2 |
0.7 |
| 2007 | 35.2 |
26.6 |
12.8 |
0.9 |
Notes:
(1) Mt CO2-e = million tonnes of carbon dioxide equivalent.
(2) CO2 = carbon dioxide,
CH4 = methane,
N2O = nitrous oxide,
HFCs = hydrofluorocarbons, PFCs = perfluorocarbons and SF6 = sulphur hexafluoride.
Source: Ministry for the Environment.
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Last updated: May 2009