Year	thousand metric tons of CO2 equivalent
1990	23036.9496
1991	22042.2256
1992	22854.4842
1993	23789.3698
1994	21248.1748
1995	21126.5014
1996	21626.9626
1997	21745.8646
1998	23067.7032
1999	23074.2294
2000	22618.1404
2001	20307.8656
2002	20495.8738
2003	21055.637
2004	21248.3238
2005	21597.2222
2006	22048.0068
2007	21293.8284
2008	19773.8198
2009	22201.4768
2010	21303.0068
2011	21064.428
2012	22986.4982
2013	25358.1312
2014	25093.686
2015	25676.7826
2016	27980.0842
2017	27406.2554
2018	27884.3666
2019	29368.4364
2020	32544.6396