Year kt of CO2 equivalent 1990 10826.88865 1991 10712.19088 1992 10797.29824 1993 10892.73003 1994 11105.43319 1995 11177.45901 1996 11394.91309 1997 11343.02771 1998 11570.56916 1999 11491.83928 2000 11583.15642 2001 10809.61728 2002 10861.75421 2003 10901.64233 2004 11078.33083 2005 11072.59313 2006 11140.47658 2007 11141.08287 2008 11034.70104 2009 10699.42507 2010 10867.22734 2011 10722.24641 2012 10590.90803 2013 10211.71007 2014 10090.01539 2015 9928.525996 2016 9597.213226 2017 9656.767488 2018 9366.17425 2019 9341.491012 2020 9405.825274