Year	% of total final energy consumption
1990	7
1991	7.1
1992	7.8
1993	7.7
1994	7.3
1995	7.5
1996	7.3
1997	8.1
1998	8.5
1999	9.1
2000	10.7
2001	11.1
2002	11.9
2003	12.7
2004	14.4
2005	16.1
2006	15.3
2007	17.7
2008	18.5
2009	19.3
2010	21.2
2011	23.8
2012	26.9
2013	27
2014	30.2
2015	32.5
2016	32
2017	35
2018	34.6
2019	37.2
2020	39.5
2021	39.5