Year	thousand metric tons of CO2 equivalent
1990	13089.203
1991	13204.4098
1992	13288.4458
1993	13348.0756
1994	13338.5992
1995	14461.195
1996	13538.1996
1997	13461.1368
1998	14766.1682
1999	15137.6848
2000	13738.247
2001	14181.9988
2002	15806.0988
2003	17625.4186
2004	17025.5148
2005	17956.735
2006	16305.1594
2007	17715.7424
2008	17835.3894
2009	18221.061
2010	18871.8036
2011	19306.973
2012	20456.508
2013	21165.0924
2014	21265.1012
2015	21971.689
2016	22153.3498
2017	21154.7816
2018	21495.9022
2019	22169.5014
2020	22735.4928