Year	thousand metric tons of CO2 equivalent
1990	5934.6375
1991	6128.995
1992	6298.4575
1993	6423.5075
1994	6595.7925
1995	6814.3725
1996	7102.76
1997	7388.5225
1998	7441.405
1999	7585.215
2000	8141.545
2001	7802.54
2002	8095.4525
2003	10094.19
2004	10381.135
2005	10663.05
2006	10538.655
2007	10765.385
2008	11110.3675
2009	11490.0475
2010	12031.9825
2011	12243.055
2012	12261.2925
2013	12604.6575
2014	12855.76
2015	13006.685
2016	13665.065
2017	13841.9725
2018	13956.82
2019	14314.32
2020	14677.39