Year	thousand metric tons of CO2 equivalent
1990	143242.93777499997
1991	153217.272839
1992	158571.04732300004
1993	161502.779085
1994	164564.510846
1995	171896.21402800005
1996	187943.438571
1997	195981.263114
1998	196239.08765700003
1999	195778.41219900004
2000	203874.736743
2001	210205.10613500004
2002	203606.875543
2003	221303.64493900002
2004	232098.21433500006
2005	239327.78373099997
2006	239487.143993
2007	238284.904253
2008	239944.26451299997
2009	238058.72477299997
2010	249115.48503400004
2011	247214.218697
2012	223587.70068700003
2013	221144.107119
2014	226207.513549
2015	226454.51998199994
2016	219605.113871
2017	222084.507762
2018	221661.30164899997
2019	226844.095541
2020	218625.38943199997