Year kt of CO2 equivalent 1990 905.518408 1991 930.45995 1992 969.125392 1993 1000.894535 1994 1037.802477 1995 965.230724 1996 901.52056 1997 817.475295 1998 770.034231 1999 700.682866 2000 618.502802 2001 636.244888 2002 628.297474 2003 657.048661 2004 680.413847 2005 679.042333 2006 703.652199 2007 716.973865 2008 726.119331 2009 731.083297 2010 800.120863 2011 799.461243 2012 811.916022 2013 816.341902 2014 824.362982 2015 826.190561 2016 835.070077 2017 865.537994 2018 868.20671 2019 881.038526 2020 850.806942