Year kt of CO2 equivalent 1990 30683.80087 1991 32925.6752 1992 30694.57084 1993 29492.91207 1994 27683.90481 1995 28608.60594 1996 27874.01297 1997 28689.82039 1998 29083.99071 1999 29765.94258 2000 30534.77515 2001 28014.25199 2002 26171.49473 2003 25981.27137 2004 25772.77501 2005 28532.65595 2006 31434.71377 2007 34163.55242 2008 34394.98887 2009 35418.92221 2010 32729.92206 2011 36384.07279 2012 39773.83702 2013 42281.39185 2014 44820.09828 2015 46229.34141 2016 48596.96653 2017 51464.86134 2018 53370.23536 2019 56965.22748 2020 53921.45499