Year kt of CO2 equivalent 1990 30891.22276 1991 34037.64742 1992 36668.02369 1993 43126.92566 1994 46648.54403 1995 47958.34791 1996 49352.39393 1997 49446.17154 1998 48785.35506 1999 50003.35327 2000 54856.63919 2001 54783.81103 2002 54037.20577 2003 50887.77632 2004 52348.81806 2005 49627.4788 2006 50054.47353 2007 51332.50527 2008 51630.4847 2009 52195.79653 2010 55950.37906 2011 58993.01375 2012 58591.52623 2013 59488.82101 2014 60657.51579 2015 62379.85457 2016 62652.87413 2017 65736.4066 2018 64328.24466 2019 65005.72752 2020 64266.74268