Year	kt of CO2 equivalent
1990	18384.20243
1991	18659.92804
1992	19310.92736
1993	20032.87047
1994	20322.51059
1995	20567.80019
1996	20428.04431
1997	19160.23924
1998	21573.51086
1999	20815.19839
2000	20048.66142
2001	21861.80416
2002	23812.0766
2003	24563.61794
2004	24375.01037
2005	26243.52771
2006	25227.82666
2007	25817.53041
2008	27204.40535
2009	25017.3419
2010	27103.67554
2011	27096.05227
2012	28780.11589
2013	30220.90592
2014	31336.78684
2015	30962.91206
2016	31812.58521
2017	32115.43737
2018	34533.02892
2019	34717.30227
2020	33749.36732