Year	kt of CO2 equivalent
1990	28569.6077
1991	22236.49624
1992	23227.64395
1993	24072.17318
1994	24152.54296
1995	25465.27189
1996	24633.3283
1997	26228.26819
1998	26587.37209
1999	26172.20775
2000	25205.81114
2001	26023.97075
2002	27072.91978
2003	28179.01991
2004	27903.78114
2005	27840.69631
2006	28570.62506
2007	30077.64122
2008	29259.79858
2009	26711.16807
2010	26151.57551
2011	25868.53541
2012	23888.27888
2013	22803.44883
2014	21998.12626
2015	22609.48542
2016	22671.43852
2017	23319.27005
2018	22213.71599
2019	22302.06393
2020	21379.32606