Year	% of total final energy consumption
1990	70.1
1991	70.2
1992	67.8
1993	66.7
1994	64
1995	63
1996	62.6
1997	65.4
1998	62.9
1999	53.9
2000	55.2
2001	50.4
2002	49.8
2003	47.9
2004	46.7
2005	51.4
2006	52.2
2007	50.6
2008	50
2009	50.5
2010	53.6
2011	50.9
2012	49.3
2013	51.1
2014	52.2
2015	50.8
2016	52.7
2017	45.6
2018	48.9
2019	46.2
2020	50.2
2021	45.9