| Year | CO2 (MMCO2) |
| 1990 | 5120.957207 |
| 1991 | 5062.956718 |
| 1992 | 5174.227507 |
| 1993 | 5272.850808 |
| 1994 | 5364.279285 |
| 1995 | 5425.259696 |
| 1996 | 5612.982752 |
| 1997 | 5688.142511 |
| 1998 | 5733.28055 |
| 1999 | 5803.917834 |
| 2000 | 6010.135928 |
| 2001 | 5907.739935 |
| 2002 | 5946.308145 |
| 2003 | 6010.145463 |
| 2004 | 6112.654584 |
| 2005 | 6132.18327 |
| 2006 | 6052.686215 |
| 2007 | 6130.12276 |
| 2008 | 5915.116465 |
| 2009 | 5480.725731 |
| 2010 | 5679.715249 |
| 2011 | 5546.116067 |
| 2012 | 5344.08598 |
| 2013 | 5480.156537 |
| 2014 | 5679.715249 |
| 2015 | 5376.473125 |
| 2016 | 5252.932175 |
| 2017 | 5212.162345 |
| 2018 | 5377.797353 |
| 2019 | 5262.145074 |
| 2020 | 5344.09 |
| 2021 | 5679.72 |
| 2022 | 5376.47 |
| 2023 | 5364.28 |
| 2024 | 6010.14 |
| 2025 | 6132.18 |
| 2026 | 5377.8 |
| 2027 | 5907.74 |
| 2028 | 5915.12 |
| 2029 | 5262.15 |