Year	% of total final energy consumption
1990	78.7
1991	82.1
1992	85.8
1993	91.5
1994	81.6
1995	81.5
1996	73.1
1997	79.6
1998	77.8
1999	73.1
2000	77.1
2001	82
2002	78.7
2003	74.8
2004	76.1
2005	77.2
2006	79.7
2007	79.9
2008	76.5
2009	63.4
2010	65.8
2011	69.1
2012	72.7
2013	76.2
2014	81.4
2015	81
2016	80.7
2017	78.4
2018	76.7
2019	78.6
2020	76.2
2021	75.1