Year	thousand metric tons of CO2 equivalent
1990	41823.17
1991	41415.7475
1992	42005.385
1993	42667.62
1994	43357.165
1995	43363.5675
1996	43907.3225
1997	43253.1775
1998	43554.6325
1999	41791.0175
2000	42186.5475
2001	42959.635
2002	42968.3775
2003	43822.5475
2004	44348.3575
2005	44488.275
2006	44227.1475
2007	45376.3675
2008	45527.2575
2009	45294.9475
2010	46282.485
2011	43102.0125
2012	40344.5925
2013	39703.885
2014	39375.8475
2015	37782.435
2016	39254.615
2017	41220.4225
2018	44051.155
2019	45756.705
2020	47742.175