Year	% of total final energy consumption
1990	92
1991	95.1
1992	95.9
1993	96.1
1994	96.6
1995	96.9
1996	97
1997	97.1
1998	96.8
1999	97
2000	97.9
2001	98.3
2002	98.3
2003	98
2004	97.9
2005	97.4
2006	97.3
2007	97.2
2008	97
2009	97
2010	96.8
2011	96.2
2012	95.5
2013	93.9
2014	92.9
2015	95.8
2016	97
2017	96.7
2018	96.4
2019	96.3
2020	96.2
2021	96.3