Year kt of CO2 equivalent 1990 60.176025 1991 60.833939 1992 59.244753 1993 59.694767 1994 61.781781 1995 62.974394 1996 63.536398 1997 64.006302 1998 67.764706 1999 68.30671 2000 71.679613 2001 72.699972 2002 78.79703 2003 87.482788 2004 95.888646 2005 101.648705 2006 103.391551 2007 104.595398 2008 112.176545 2009 118.593092 2010 127.584838 2011 126.204118 2012 145.926598 2013 150.561278 2014 149.789958 2015 154.973338 2016 161.28902 2017 169.384403 2018 172.808885 2019 176.419767 2020 179.72515