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| Year | Percent change in emissions from 1990 | ||
|---|---|---|---|
| CO2 | CH4 | N2O | |
| 1990 | 0 | 0 | 0 |
| 1991 | 2.03 | -0.66 | 0.25 |
| 1992 | 9.39 | -2.35 | 1.16 |
| 1993 | 7.11 | -1.18 | 3.97 |
| 1994 | 7.47 | -0.32 | 7.07 |
| 1995 | 7.29 | 0.84 | 9.37 |
| 1996 | 11.30 | 1.18 | 10.46 |
| 1997 | 20.22 | 1.10 | 11.39 |
| 1998 | 14.79 | 1.48 | 12.13 |
| 1999 | 20.50 | 2.38 | 14.28 |
| 2000 | 22.48 | 3.49 | 18.09 |
| 2001 | 30.29 | 4.91 | 23.00 |
| 2002 | 30.40 | 5.07 | 26.68 |
| 2003 | 37.07 | 5.38 | 29.82 |