Year	thousand metric tons of CO2 equivalent
1990	75654.9
1991	81844.6
1992	85213.7
1993	90147.6
1994	90063.9
1995	89846.1
1996	91247.9
1997	90948.2
1998	88195
1999	87731.5
2000	94380.7
2001	93391.3
2002	90257
2003	104363.4
2004	109389.7
2005	113876
2006	118343.5
2007	120783.6
2008	120672.3
2009	120991.8
2010	123857.8
2011	124971
2012	114737.2
2013	110507.6
2014	118884.2
2015	122434.9
2016	148634.4
2017	159628.8
2018	157842.2
2019	132139.2
2020	125247