Year	% of total final energy consumption
1990	4.05889932725608
1991	3.9133640370705245
1992	3.7724111781318643
1993	3.808847610521967
1994	3.5181558819764467
1995	3.422090353523633
1996	3.4730478578076682
1997	3.3804723828802774
1998	3.3554903549547244
1999	3.172240458530007
2000	2.9592879472936313
2001	2.992976135055007
2002	2.9385543772885065
2003	3.0766449253418435
2004	3.3815305244119025
2005	3.547313661964811
2006	3.3712947003373963
2007	3.1604957535753577
2008	2.69122420295422
2009	2.6514819770987192
2010	2.6602758357907295
2011	2.609637033354793
2012	2.5561245658238816
2013	2.599296584586014
2014	2.4639840789634517
2015	2.4747125784795174
2016	2.534551021953066
2017	2.4587257345999527
2018	2.5023433376252906
2019	2.704809251704582
2020	2.8637072247595348