Year kt of CO2 equivalent 1990 280038.5138 1991 286975.0377 1992 296823.0791 1993 300453.6305 1994 306292.3919 1995 314874.9833 1996 321981.8712 1997 325396.2715 1998 330684.0018 1999 336220.0472 2000 339713.82 2001 332760.9495 2002 328592.489 2003 322512.476 2004 320800.5254 2005 317297.9149 2006 320303.1269 2007 314649.1114 2008 309603.1884 2009 311134.9979 2010 312449.7048 2011 319401.1218 2012 316506.5338 2013 318017.3149 2014 323344.586 2015 319717.554 2016 318960.4231 2017 325926.3572 2018 335362.6038 2019 339612.8029 2020 333994.9095