Year	% of total final energy consumption
1990	7.3
1991	8.8
1992	11.6
1993	14.6
1994	33.4
1995	33.2
1996	32.9
1997	27.6
1998	26.7
1999	28.4
2000	19.4
2001	20.3
2002	21.2
2003	20.1
2004	20.1
2005	19.7
2006	18.1
2007	14.8
2008	14.3
2009	17.4
2010	19.6
2011	14.2
2012	15.3
2013	19.5
2014	23.6
2015	25.2
2016	23
2017	18.5
2018	35.4
2019	36.8
2020	37.7
2021	36.6