Year kt of CO2 equivalent 1990 7316.657793 1991 7530.478112 1992 6757.53 1993 5809.8225 1994 4439.4775 1995 3967.9775 1996 3727.6625 1997 3703.1125 1998 3536.485 1999 3374.495 2000 3422.58 2001 3491.44 2002 3549.5875 2003 3422.95 2004 3604.585 2005 3507.0025 2006 3548.877278 2007 3596.042055 2008 3669.419333 2009 3853.79911 2010 3886.821388 2011 3979.43024 2012 4068.829093 2013 4173.895446 2014 4359.559299 2015 4374.548152 2016 4482.121862 2017 4582.150572 2018 4717.041781 2019 4796.577991 2020 4864.996701