Year	% of total final energy consumption
1990	78.3
1991	75.2
1992	74.8
1993	73.8
1994	72.9
1995	72
1996	71.5
1997	70
1998	69.7
1999	71.3
2000	72.8
2001	72.4
2002	79.8
2003	83.6
2004	85.8
2005	85.2
2006	86.2
2007	87.3
2008	87.3
2009	87.9
2010	85.8
2011	79.7
2012	75.5
2013	82.2
2014	81.3
2015	81.9
2016	81.5
2017	90.2
2018	90.3
2019	90.2
2020	91.3
2021	91.3