Year	thousand metric tons of CO2 equivalent
1990	307533.4
1991	306968.8
1992	308959.10000000003
1993	305068.39999999997
1994	314615.6
1995	318597.69999999995
1996	321719
1997	324241.2
1998	324566.9
1999	319482.2
2000	322569.3
2001	323372.5
2002	319330
2003	318673.1
2004	320704.89999999997
2005	321684.5
2006	326566.2
2007	334670
2008	341873.2
2009	336453.9
2010	354604.9
2011	374917.2
2012	388801.19999999995
2013	401346.2
2014	429844.7
2015	433567.5
2016	415513.69999999995
2017	434061.6
2018	476224.89999999997
2019	515926.1
2020	475003.6