Year	thousand metric tons of CO2 equivalent
1990	4852.6916
1991	4507.1904
1992	4473.0396
1993	4487.6416
1994	4557.761
1995	4520.362
1996	4484.304
1997	4523.64
1998	4448.5738
1999	4509.5744
2000	4592.5078
2001	4548.3442
2002	4560.4728
2003	4559.0126
2004	4561.486
2005	4565.4196
2006	4543.457
2007	4559.6682
2008	4667.6634
2009	4512.5246
2010	4581.8096
2011	4532.9674
2012	4539.7916
2013	4567.2076
2014	4639.8898
2015	4589.8258
2016	4577.1608
2017	4580.7666
2018	4598.7956
2019	4772.619
2020	4707.1484