Year	thousand metric tons of CO2 equivalent
1990	255339.44147899997
1991	258364.90232499997
1992	262020.06055300002
1993	263369.364793
1994	325873.07462800003
1995	329097.21348800004
1996	334271.74755500007
1997	336765.61602099997
1998	353253.507307
1999	351170.341588
2000	355539.82206199993
2001	349256.0725019999
2002	364925.18168100005
2003	376939.36673799995
2004	378394.4481000001
2005	394981.13870400004
2006	388101.85514499986
2007	403376.9378619999
2008	412914.56059699995
2009	408545.495995
2010	426060.0253290002
2011	434629.034807
2012	437948.32551099994
2013	440928.469806
2014	441225.4087399999
2015	447858.4378570001
2016	461888.84507300006
2017	464334.4629080001
2018	467017.21775600006
2019	475065.2521460001
2020	491788.5773670001