Year	% of total final energy consumption
1990	16.8
1991	17.1
1992	17
1993	18
1994	18.3
1995	17.6
1996	16.7
1997	17.4
1998	17.1
1999	18.4
2000	18.2
2001	18.7
2002	18.2
2003	18
2004	18.1
2005	18.7
2006	18.1
2007	19.3
2008	19.6
2009	20
2010	20.6
2011	20.6
2012	21.9
2013	21.8
2014	22.2
2015	23.9
2016	24.1
2017	25
2018	24.2
2019	24.8
2020	26.4
2021	27.7