Year	thousand metric tons of CO2 equivalent
1990	5621.8892
1991	7765.9396
1992	8047.9072
1993	8304.3958
1994	8647.513
1995	8955.7046
1996	10524.8534
1997	10595.3602
1998	10801.0994
1999	11577.9258
2000	12775.7666
2001	10767.5744
2002	11703.205
2003	12453.7478
2004	12951.7356
2005	13775.646
2006	14054.3952
2007	14878.6632
2008	15246.3058
2009	15377.694
2010	16458.6592
2011	17328.4318
2012	18263.2578
2013	18818.3424
2014	19591.1756
2015	21106.6546
2016	22755.3396
2017	23262.3568
2018	24796.3416
2019	25533.236
2020	27419.8144