Year kt of CO2 equivalent 1990 11294.17401 1991 11659.49926 1992 12864.00862 1993 13508.12417 1994 13710.71403 1995 14743.43828 1996 14563.56692 1997 15104.90706 1998 16845.85769 1999 17354.28973 2000 18676.57226 2001 19365.96504 2002 20544.86141 2003 20791.59448 2004 21237.73555 2005 22582.88152 2006 22605.31674 2007 24086.53635 2008 22882.91786 2009 24253.11297 2010 24360.44408 2011 24954.82672 2012 25661.46375 2013 26770.76379 2014 27986.60793 2015 30899.84197 2016 32299.46827 2017 31729.51546 2018 33500.81336 2019 34769.23985 2020 33165.68015