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| Year | Tier 1 method (Gg CO2 equivalent) |
Tier 2 method (Gg CO2 equivalent) |
|---|---|---|
| 1990 | 366.662 | |
| 1991 | 343.3407 | |
| 1992 | 405.4102 | |
| 1993 | 461.1548 | |
| 1994 | 486.7511 | |
| 1995 | 503.3407 | |
| 1996 | 502.7542 | |
| 1997 | 503.361 | |
| 1998 | 478.724 | |
| 1999 | 521.078 | |
| 2000 | 519.788 | |
| 2001 | 523.978 | |
| 2002 | 541.723 | |
| 2003 | 4,014.19 | 527.471 |