Year kt of CO2 equivalent 1990 184942.4971 1991 168143.686 1992 163573.073 1993 156201.6868 1994 149401.0053 1995 148176.9625 1996 152196.9607 1997 149188.3695 1998 142218.8098 1999 133706.8752 2000 145672.3692 2001 145448.2968 2002 139899.2704 2003 143170.1463 2004 143452.0205 2005 141940.199 2006 142995.4726 2007 144802.4928 2008 139368.3281 2009 133423.4256 2010 134691.9645 2011 132059.1096 2012 128574.252 2013 123329.6396 2014 120621.652 2015 122514.148 2016 124271.9489 2017 124327.6965 2018 123073.8691 2019 117767.1074 2020 108308.4176