Year	thousand metric tons of CO2 equivalent
1990	5215.894
1991	5050.1166
1992	4994.182
1993	5202.1264
1994	5423.9576
1995	5796.0404
1996	5963.0396
1997	6081.0774
1998	6315.8716
1999	6610.2956
2000	6880.4922
2001	6890.5646
2002	7097.7044
2003	7175.1546
2004	7200.8422
2005	7217.113
2006	7384.589
2007	7765.6416
2008	7588.4508
2009	8038.9672
2010	7852.6278
2011	8005.621
2012	8034.5568
2013	8064.178
2014	7941.5212
2015	8159.9254
2016	8181.1132
2017	8441.3566
2018	7967.1492
2019	8536.8954
2020	8470.4116