Year	% of total final energy consumption
1990	1.4
1991	1.3
1992	1.6
1993	1.4
1994	1.2
1995	1.2
1996	1.5
1997	1.3
1998	1.2
1999	1
2000	2.5
2001	2.7
2002	2.5
2003	2
2004	2.1
2005	2.1
2006	1.9
2007	2.2
2008	2
2009	1.8
2010	1
2011	1.1
2012	1.1
2013	1.6
2014	1.7
2015	1.9
2016	2
2017	2
2018	1.8
2019	1.8
2020	1.9
2021	1.8
2022	2.3