Year kt of CO2 equivalent 1990 4064.331934 1991 4070.618448 1992 4604.742784 1993 3992.319802 1994 2911.592566 1995 2639.878588 1996 2600.272097 1997 2494.36539 1998 2406.972892 1999 2294.875586 2000 2170.767076 2001 2199.823964 2002 2238.869396 2003 2176.443771 2004 2127.143873 2005 2151.473474 2006 2145.036468 2007 2144.944732 2008 2161.683101 2009 2105.330079 2010 2056.040843 2011 2003.857462 2012 2055.573484 2013 2065.798811 2014 2123.014604 2015 2043.623991 2016 2053.545204 2017 2047.662785 2018 2000.532866 2019 1980.055447 2020 1952.810529