Year	% of total final energy consumption
1992	89.9
1993	83.6
1994	80.1
1995	77.9
1996	76.4
1997	77.6
1998	75
1999	76.1
2000	76.8
2001	74.8
2002	74.7
2003	75
2004	69.8
2005	74.7
2006	77.3
2007	79.1
2008	81.4
2009	81.7
2010	80.9
2011	77.1
2012	78.4
2013	79.7
2014	80.5
2015	81.2
2016	81.4
2017	81.6
2018	80.8
2019	80.6
2020	80.9
2021	80.7