Year	kt of CO2 equivalent
1990	4047.170998
1991	3980.042559
1992	3711.669133
1993	3664.031372
1994	3524.073784
1995	3440.836075
1996	3383.902594
1997	3356.814611
1998	3326.904982
1999	3374.014878
2000	3295.845137
2001	3378.199175
2002	3395.869929
2003	3509.671411
2004	3649.43217
2005	3627.521552
2006	3749.423174
2007	3787.575644
2008	3762.566813
2009	3819.024153
2010	3799.887783
2011	3806.982421
2012	3745.838784
2013	3647.433029
2014	3643.613749
2015	3738.489602
2016	3754.058864
2017	3770.746894
2018	3670.289924
2019	3678.502955
2020	3668.675985