Year	thousand metric tons of CO2 equivalent
1990	1194.7
1991	1192.1
1992	1198
1993	1212.9
1994	1235.4
1995	1262.3
1996	1287.5
1997	1314.8
1998	1616.8
1999	1656.2
2000	1850
2001	1573.4
2002	1724.2
2003	1913
2004	2268.5
2005	2531.4
2006	2566.9
2007	1720.8
2008	1895
2009	1843.5
2010	1815.9
2011	2315
2012	2695.3
2013	2974.2
2014	2977
2015	3076.3
2016	3094.7
2017	3538.3
2018	3906.5
2019	3509.1
2020	3214