Year	% of total final energy consumption
1990	91.4
1991	92.1
1992	92.8
1993	92
1994	92.6
1995	93.4
1996	91.9
1997	93.5
1998	93.1
1999	93
2000	87.6
2001	87.7
2002	87.7
2003	87
2004	87
2005	87.5
2006	87.4
2007	86.2
2008	86.1
2009	83.2
2010	80.7
2011	77.2
2012	72.7
2013	78.7
2014	78.1
2015	78.9
2016	80.2
2017	82
2018	82
2019	80.7
2020	81.9
2021	79.6