Year	thousand metric tons of CO2 equivalent
1990	4623.25
1991	4736.0575
1992	4826.615
1993	4951.865
1994	5049.04
1995	5087.695
1996	5477.185
1997	5407.9775
1998	5267.4375
1999	5669.2575
2000	6065.88
2001	5751.745
2002	5346.5125
2003	5043.285
2004	5568.78
2005	5767.26
2006	5960.4725
2007	5653.4
2008	5945.73
2009	5918.23
2010	6185.815
2011	6295.8375
2012	6041.2875
2013	6289.645
2014	6224.96
2015	6294.4875
2016	6815.0075
2017	6972.4675
2018	6874.14
2019	7225.4075
2020	7462.9875