Year	thousand metric tons of CO2 equivalent
1990	2746.56
1991	2800.5425
1992	2832.445
1993	2796.4075
1994	2830.06
1995	2858.905
1996	2905.9925
1997	2903.41
1998	2906.31
1999	2873.7475
2000	2782.2875
2001	2766.0975
2002	2730.9525
2003	2734.91
2004	2706.5175
2005	2670.0625
2006	2632.8325
2007	2579.18
2008	2543.1675
2009	2518.225
2010	2514.39
2011	2487.345
2012	2471.225
2013	2457.6975
2014	2431.77
2015	2472.7225
2016	2516.2575
2017	2520.49
2018	2505.0575
2019	2467.79
2020	2443.49