Year thousand metric tons of CO2 equivalent 1990 368.1175 1991 392.115 1992 419.675 1993 443.4725 1994 469.4225 1995 484.7225 1996 501.985 1997 522.085 1998 541.6975 1999 584.5775 2000 582.9075 2001 601.12 2002 606.5 2003 631.235 2004 641.135 2005 676.4925 2006 690.8425 2007 707.98 2008 718.2475 2009 731.6875 2010 761.47 2011 776.6575 2012 790.93 2013 990.1975 2014 1000.7775 2015 1020.5775 2016 1040.815 2017 1060.725 2018 1081.6925 2019 1103.2525 2020 1126.9725