Year	thousand metric tons of CO2 equivalent
1990	1527.9652
1991	1565.7516
1992	1567.5396
1993	1538.6634
1994	1502.7246
1995	1394.938
1996	1481.2686
1997	1527.7268
1998	1566.8542
1999	1367.7604
2000	1263.8776
2001	1147.598
2002	1128.824
2003	1248.3816
2004	1131.953
2005	1192.3874
2006	1206.8404
2007	1293.0518
2008	1377.8626
2009	1159.6968
2010	1277.9134
2011	1493.9336
2012	1433.1714
2013	1459.604
2014	1384.5974
2015	1433.6482
2016	1560.2386
2017	1534.551
2018	1611.3754
2019	1625.6496
2020	1531.422