Year kt of CO2 equivalent 1990 18442.38365 1991 17758.27523 1992 17701.11432 1993 17653.59591 1994 17750.805 1995 17710.35909 1996 16764.78589 1997 16792.2152 1998 17139.7395 1999 18241.4613 2000 16909.35561 2001 16925.57136 2002 17688.26461 2003 18829.65286 2004 20048.93111 2005 19499.20686 2006 19175.59319 2007 29867.55952 2008 30329.23085 2009 29177.01218 2010 29373.34351 2011 30128.20287 2012 29959.25973 2013 29489.82159 2014 29950.97094 2015 30438.8503 2016 32958.76585 2017 30856.6389 2018 32036.77445 2019 36858.06249 2020 37602.48554