Year	% of total final energy consumption
1990	81.6
1991	83.2
1992	84.4
1993	83.9
1994	83.6
1995	84.5
1996	84.9
1997	84.7
1998	84.5
1999	86.2
2000	84.6
2001	85.3
2002	85.2
2003	85.3
2004	85.5
2005	86.3
2006	85.5
2007	80.8
2008	80.8
2009	79.2
2010	78.7
2011	78.6
2012	78.6
2013	77.7
2014	76.9
2015	78.1
2016	78.8
2017	79.2
2018	78.7
2019	78.9
2020	78.9
2021	79.2
