Year	thousand metric tons of CO2 equivalent
1990	8214.4075
1991	8536.845
1992	8369.52
1993	8273.09
1994	8143.9975
1995	8804.13
1996	9375.3
1997	9919.01
1998	10206.4475
1999	10636.2475
2000	10788.125
2001	9148.4775
2002	7321.3625
2003	7345.995
2004	6986.8725
2005	7743.4425
2006	8640.48
2007	9832.57
2008	9914.295
2009	10073.4075
2010	7894.8825
2011	9056.7925
2012	10167.525
2013	10931.2175
2014	12655.27
2015	13974.105
2016	14965.6325
2017	15915.7375
2018	15872.3675
2019	17134.065
2020	16543.3525