Year	% of total final energy consumption
1990	93.7
1991	95
1992	94.8
1993	95
1994	95
1995	94.8
1996	84.2
1997	80.6
1998	79.6
1999	76.9
2000	70.3
2001	66.9
2002	64
2003	61.7
2004	60.7
2005	59.2
2006	57.3
2007	54.5
2008	54.8
2009	52.8
2010	47.2
2011	48.7
2012	50.3
2013	52
2014	51
2015	49.9
2016	45.4
2017	45.4
2018	44
2019	46.5
2020	46.2
2021	54.5