Year kt of CO2 equivalent 1990 15135.03847 1991 14851.46578 1992 13723.20052 1993 13761.2151 1994 13617.04013 1995 13931.73919 1996 14041.35099 1997 14041.45202 1998 14043.54069 1999 13437.2858 2000 12582.03831 2001 12204.08594 2002 12001.02379 2003 11836.36886 2004 11703.69835 2005 11088.05161 2006 11160.43228 2007 11280.13627 2008 11140.54775 2009 10972.30674 2010 10847.62572 2011 10935.84275 2012 11052.53727 2013 11111.9768 2014 11385.43383 2015 11517.64336 2016 11449.07026 2017 11475.15217 2018 11440.86158 2019 11537.69348 2020 11734.80539