Year	thousand metric tons of CO2 equivalent
1990	143242.93777499997
1991	153217.27283900004
1992	158571.04732300004
1993	161502.779085
1994	164564.510846
1995	171896.21402800002
1996	187943.43857099998
1997	195981.263114
1998	196239.087657
1999	195778.41219899998
2000	203874.73674300002
2001	210205.10613499998
2002	203606.87554300003
2003	221303.64493900002
2004	232098.21433500003
2005	239327.783731
2006	239487.14399299998
2007	238284.904253
2008	239944.264513
2009	238058.724773
2010	249115.48503399995
2011	247214.21869699997
2012	223587.700687
2013	221144.107119
2014	226207.513549
2015	226454.51998199997
2016	219605.11387100007
2017	222084.50776200002
2018	221661.30164899994
2019	226844.09554100002
2020	218625.38943199997