Year	thousand metric tons of CO2 equivalent
1990	2503.883813
1991	2356.624743
1992	2065.1996
1993	1834.488
1994	1712.8444
1995	1700.4178
1996	1628.421
1997	1732.3038
1998	1763.5938
1999	1834.5774
2000	1844.6498
2001	2025.3868
2002	2140.9512
2003	2205.1404
2004	2330.0918
2005	2370.739
2006	2493.8428
2007	2504.988
2008	2683.2218
2009	2720.7996
2010	2676.7552
2011	2755.4868
2012	2840.6552
2013	2868.1308
2014	2947.4584
2015	3343.709
2016	3300.2606
2017	3193.0402
2018	3482.6366
2019	3688.1672
2020	4025.3542