Year	kt of CO2 equivalent
1990	17602.6
1991	16748.22279
1992	17201.02558
1993	18385.27837
1994	19313.70866
1995	20454.02895
1996	20109.72469
1997	20316.46794
1998	20485.01618
1999	20685.94442
2000	20354.14517
2001	21450.9322
2002	20797.44924
2003	22271.19127
2004	21122.25331
2005	21909.36535
2006	22076.53727
2007	23283.9167
2008	22830.34862
2009	24413.38805
2010	25494.30997
2011	25987.63226
2012	27193.34705
2013	27684.33434
2014	29059.15413
2015	28794.96392
2016	28716.88042
2017	29384.25192
2018	28325.19091
2019	29160.61741
2020	30106.5439