Year	% of total final energy consumption
1990	64
1991	63.5
1992	63.2
1993	59.3
1994	59.9
1995	59.1
1996	55.3
1997	57.5
1998	59.1
1999	59.8
2000	54.7
2001	56.4
2002	53
2003	50.5
2004	50.5
2005	48.5
2006	48.1
2007	48.4
2008	49.7
2009	50.4
2010	50.1
2011	50.5
2012	48.7
2013	46.2
2014	48
2015	47.5
2016	48.1
2017	42.5
2018	42.3
2019	42.2
2020	42.2
2021	42.2
2022	41.9