Year	thousand metric tons of CO2 equivalent
1990	1554.467044
1991	1617.549476
1992	1644.139507
1993	1666.499938
1994	1771.655369
1995	1713.0472
1996	2086.4082
1997	2182.5134
1998	2277.6244
1999	2231.3444
2000	2375.2196
2001	1944.973465
2002	2261.897529
2003	2029.541994
2004	1947.747859
2005	2344.163724
2006	2136.452162
2007	2220.725399
2008	2014.494637
2009	2118.939075
2010	2154.297113
2011	2205.755003
2012	2259.720094
2013	2377.862985
2014	2375.512875
2015	2337.475766
2016	2562.845659
2017	2469.264952
2018	2841.306445
2019	3093.855339
2020	3007.644632