Year	thousand metric tons of CO2 equivalent
1990	169.911766
1991	155.249126
1992	155.844086
1993	145.800446
1994	143.117406
1995	143.861366
1996	135.125768
1997	147.071369
1998	153.950971
1999	154.125572
2000	158.710574
2001	156.906121
2002	154.833469
2003	166.886017
2004	165.617965
2005	161.936113
2006	184.95287
2007	201.294426
2008	213.493783
2009	342.300539
2010	249.812496
2011	259.123367
2012	267.927639
2013	261.17631
2014	292.777581
2015	352.301453
2016	275.371351
2017	273.656449
2018	273.997748
2019	317.251046
2020	295.301944