Year kt of CO2 equivalent 1990 17847.64101 1991 17603.17127 1992 18014.71403 1993 18385.6068 1994 18419.0675 1995 18530.73 1996 15893.7975 1997 13904.425 1998 11124.75 1999 9437.9125 2000 7299.0875 2001 7134.742837 2002 7234.340674 2003 7561.38601 2004 7151.883847 2005 7771.876684 2006 7803.745283 2007 7615.038881 2008 8288.37248 2009 8108.776078 2010 8592.792176 2011 8492.705699 2012 8505.229222 2013 8734.342745 2014 7783.721268 2015 8744.33229 2016 8264.895067 2017 7382.885344 2018 8211.295621 2019 7986.473398 2020 8377.671174