Year	thousand metric tons of CO2 equivalent
1990	119086.318408
1991	130014.16893300002
1992	133546.01945800002
1993	134854.769984
1994	137576.320509
1995	142255.44150800002
1996	154142.676701
1997	156625.311893
1998	154221.547086
1999	152264.98227900002
2000	160044.417472
2001	163382.94489699998
2002	155823.072322
2003	167968.89974700002
2004	173778.627173
2005	173562.05459699998
2006	173718.073505
2007	169260.392412
2008	168718.61132
2009	166090.230228
2010	175089.94913399997
2011	173480.836289
2012	170805.823442
2013	166892.41059700004
2014	166295.89775
2015	165518.384905
2016	159377.851393
2017	160263.817882
2018	167745.88436999999
2019	172104.550859
2020	166186.917348