Year	thousand metric tons of CO2 equivalent
1990	1668777.69839327
1991	1672297.9983719003
1992	1621091.8823354996
1993	1646377.2572280006
1994	1636823.361313
1995	1699152.0981760006
1996	1745544.0109590003
1997	1758128.0468249999
1998	1763777.568439
1999	1774523.330641
2000	1852373.7704079999
2001	1882908.1376969996
2002	1891844.3211119995
2003	2016565.0483289994
2004	2135987.648730001
2005	2239501.996392999
2006	2295598.797648
2007	2348422.892487
2008	2380363.246785
2009	2346043.9103060006
2010	2450126.6688490007
2011	2507944.820113
2012	2520024.4556600004
2013	2528143.479569999
2014	2530412.2202769993
2015	2508997.2652259995
2016	2482751.2615119996
2017	2508675.356993
2018	2551200.252482
2019	2551138.2479729992
2020	2423241.7434630007