Year kt of CO2 equivalent 1990 2744.880746 1991 2722.399096 1992 2654.067045 1993 2573.425694 1994 2402.058944 1995 2570.947493 1996 2771.571863 1997 3126.650833 1998 3117.582403 1999 3362.279073 2000 3198.596743 2001 3357.063898 2002 3578.623254 2003 3689.00994 2004 3800.605627 2005 3859.291313 2006 4140.258936 2007 4268.549959 2008 4480.395281 2009 4612.472504 2010 4890.541827 2011 4781.368045 2012 4943.253063 2013 5124.304081 2014 5125.387999 2015 5805.668917 2016 5704.471848 2017 5903.81658 2018 6106.433212 2019 6338.045843 2020 6329.924675