Year	thousand metric tons of CO2 equivalent
1990	143242.937775
1991	153217.272839
1992	158571.04732299998
1993	161502.77908500002
1994	164564.510846
1995	171896.214028
1996	187943.43857099998
1997	195981.263114
1998	196239.08765700003
1999	195778.412199
2000	203874.736743
2001	210205.106135
2002	203606.87554299994
2003	221303.644939
2004	232098.21433500003
2005	239327.78373099992
2006	239487.143993
2007	238284.90425299996
2008	239944.26451299994
2009	238058.724773
2010	249115.48503399998
2011	247214.21869700003
2012	223587.700687
2013	221144.107119
2014	226207.51354899997
2015	226454.5199819999
2016	219605.113871
2017	222084.507762
2018	221661.30164900006
2019	226844.095541
2020	218625.389432