Year	thousand metric tons of CO2 equivalent
1990	1171640.0332340004
1991	1165077.1589990002
1992	1160298.089726
1993	1145867.410406
1994	1152268.6942709996
1995	1198504.1613239998
1996	1225184.202246
1997	1201998.1907589997
1998	1221650.1734149999
1999	1235433.5967739995
2000	1239890.2386630003
2001	1259371.5713610004
2002	1296208.197196
2003	1319182.3821719994
2004	1361782.7696900005
2005	1386578.0129459994
2006	1416625.1749810004
2007	1454841.3882409998
2008	1474397.0438170007
2009	1485521.1762640001
2010	1536922.0680470003
2011	1566518.450821
2012	1575629.7213109995
2013	1592557.218973
2014	1614280.7626839995
2015	1629225.8183449993
2016	1646031.147445
2017	1680942.9103430004
2018	1673312.4974100003
2019	1690770.5000290005
2020	1725711.8264749998