Year kt of CO2 equivalent 1990 21782.6775 1991 21931.075 1992 21921.2825 1993 22369.35 1994 22999.035 1995 25171.63005 1996 24024.94437 1997 23851.4862 1998 26208.25053 1999 26971.88485 2000 25861.67918 2001 26568.32967 2002 28967.01766 2003 31417.23564 2004 30769.61863 2005 32473.14662 2006 31287.63457 2007 32356.65751 2008 34077.31545 2009 34376.8559 2010 36375.96634 2011 37995.30166 2012 38507.41198 2013 40321.1698 2014 41146.89511 2015 43014.03793 2016 42896.12326 2017 42080.59858 2018 42422.72141 2019 43778.73923 2020 46487.36706