Year	thousand metric tons of CO2 equivalent
1990	1526002.9404192702
1991	1513073.3525379004
1992	1461193.014842501
1993	1481854.2045130006
1994	1468391.0738309992
1995	1510711.0563140004
1996	1534322.8826750002
1997	1533039.332216
1998	1541172.4322950004
1999	1567757.0623069995
2000	1635736.4811049993
2001	1665178.459403
2002	1695592.3316119998
2003	1832030.7164540002
2004	1930625.5234360003
2005	2022749.0994370005
2006	2080740.2183029994
2007	2136278.1789289988
2008	2162946.405172
2009	2142943.7107940004
2010	2250676.758819
2011	2307782.552392
2012	2311155.728241
2013	2317142.8133279993
2014	2324699.4163329992
2015	2311157.9710910004
2016	2300652.5787029997
2017	2352106.3667300004
2018	2425704.1547639994
2019	2456372.442801001
2020	2360359.730837