Year	thousand metric tons of CO2 equivalent
1990	5981.9925
1991	5943.795
1992	5964.9325
1993	5966.7425
1994	5980.61
1995	5948.55
1996	6111.925
1997	6312.265
1998	6834.8225
1999	7068.195
2000	7874.1325
2001	7403.105
2002	7300.6925
2003	7989.1475
2004	7243.9825
2005	8012.4025
2006	7468.865
2007	7367.7825
2008	6788.365
2009	6514.7575
2010	6786.705
2011	6666.405
2012	6892.7025
2013	7146.7125
2014	7081.665
2015	7249.94
2016	7551.29
2017	7248.065
2018	7329.6875
2019	7328.195
2020	7545.885