Year	thousand metric tons of CO2 equivalent
1990	3611.359542
1991	3540.823298
1992	2291.165
1993	2751.9225
1994	2913.4675
1995	3033.3025
1996	3126.475
1997	2645.5775
1998	2844.99
1999	3248.71
2000	3780.3825
2001	3960.5975
2002	4531.7025
2003	5176.2675
2004	5483.3375
2005	5681.05
2006	5913.765
2007	5533.585
2008	6113.8325
2009	5797.675
2010	5869.615
2011	5774.095
2012	6316.1775
2013	6380.625
2014	6450.99
2015	6462.7825
2016	6497.91
2017	6581.3775
2018	6707.8725
2019	6519.83
2020	6609.1425