Year	% of total final energy consumption
1990	4.2
1991	3.5
1992	3.3
1993	3.1
1994	2.8
1995	3
1996	2.3
1997	2.1
1998	1.9
1999	1.8
2000	1.5
2001	1.3
2002	1.1
2003	1.1
2004	1
2005	0.9
2006	0.9
2007	1
2008	0.9
2009	0.8
2010	0.7
2011	0.8
2012	0.8
2013	1.5
2014	1.4
2015	1.4
2016	1.2
2017	1.2
2018	1.2
2019	1.2
2020	1.3
2021	1.7
2022	1.9