Year	thousand metric tons of CO2 equivalent
1990	831942.659159
1991	814700.8216680002
1992	808930.7772690001
1993	806503.1881380001
1994	824151.0719120001
1995	827010.3874109999
1996	843634.436252
1997	830899.711504
1998	805401.7075140002
1999	792850.2606430001
2000	797947.7503439998
2001	797660.5735519999
2002	785053.6409170002
2003	758133.5533349998
2004	789059.922233
2005	760756.5892960001
2006	773038.6551260002
2007	772168.1568679997
2008	723414.600537
2009	705503.407198
2010	696781.7505350002
2011	751759.557391
2012	746437.159738
2013	705523.4157070001
2014	721097.5814619999
2015	719320.6986239998
2016	708642.2918500002
2017	732942.4583459999
2018	729613.6038249999
2019	711348.476319
2020	690685.5074030003