Year	% of total final energy consumption
1990	14.5
1991	14.8
1992	14.2
1993	13.9
1994	14.2
1995	14.4
1996	14.4
1997	14.4
1998	14.5
1999	14.5
2000	14.2
2001	14.2
2002	14.6
2003	14.1
2004	13.9
2005	14.2
2006	14.3
2007	14.3
2008	14.6
2009	16.1
2010	12.6
2011	13.2
2012	13
2013	13.2
2014	12.9
2015	12.5
2016	12.4
2017	11.8
2018	11.9
2019	12.2
2020	12.9
2021	11.6