Year kt of CO2 equivalent 1990 6798.521481 1991 6717.488259 1992 7019.903166 1993 7041.382504 1994 7407.487038 1995 7453.893234 1996 7500.586971 1997 7750.421453 1998 7313.664946 1999 7191.230791 2000 7964.474717 2001 8303.479686 2002 8599.991955 2003 8832.731624 2004 9280.809493 2005 9226.956162 2006 9616.501071 2007 10173.08698 2008 10604.53669 2009 11440.26159 2010 12377.9376 2011 12119.93157 2012 13097.20573 2013 14053.02819 2014 14395.87406 2015 19257.13492 2016 26546.74763 2017 29814.15084 2018 30205.46266 2019 29982.98087 2020 30491.44478