Year	% of total final energy consumption
1990	59.2
1991	58.4
1992	57.5
1993	56.1
1994	53.4
1995	50.7
1996	49.3
1997	47.6
1998	48.9
1999	45.8
2000	45.6
2001	44.3
2002	44.7
2003	43
2004	41.5
2005	41.6
2006	40.1
2007	40
2008	41.1
2009	38.2
2010	36
2011	32.4
2012	30.1
2013	30.6
2014	29.3
2015	26.6
2016	27.8
2017	25.2
2018	22
2019	19.8
2020	21.9
2021	20.2