Year	kt of CO2 equivalent
1990	3410.377462
1991	3480.5515160000004
1992	3967.831268
1993	4106.709422000001
1994	4220.596477
1995	4389.597491
1996	4475.698044
1997	4495.954196
1998	4498.22665
1999	4498.138599999999
2000	4522.022652000001
2001	4772.092680999999
2002	4626.095309
2003	4808.5391389999995
2004	5133.942770000001
2005	4904.821078
2006	5070.868605999999
2007	5147.2627299999995
2008	4900.3904600000005
2009	4852.133687999999
2010	5219.0860139999995
2011	5221.923413999999
2012	5219.783817
2013	5385.015117999999
2014	5002.759516
2015	5021.435017000001
2016	4927.701644
2017	5193.385468
2018	5359.043595
2019	5487.813719000001
2020	4707.9596440000005