Year	thousand metric tons of CO2 equivalent
1990	71878.2
1991	76075.3
1992	79693.5
1993	79971.3
1994	79897.5
1995	82479.3
1996	92094
1997	92948.8
1998	87731.7
1999	84713.4
2000	91648.3
2001	93932.8
2002	85035.1
2003	95023
2004	98520.1
2005	98880.1
2006	96189.5
2007	93593.3
2008	90938.5
2009	89515.3
2010	98271.8
2011	97176.2
2012	95358.9
2013	91709
2014	91959.5
2015	90621.4
2016	84765.5
2017	86379.5
2018	87772
2019	91571
2020	86821.9