Year	% of total final energy consumption
1990	23
1991	23.7
1992	27.4
1993	28.5
1994	30.1
1995	31.8
1996	33.9
1997	36.4
1998	38
1999	43.4
2000	45
2001	45.6
2002	37.8
2003	36.7
2004	44.2
2005	33.9
2006	31.9
2007	28.8
2008	21.2
2009	16.5
2010	15.2
2011	12.6
2012	15.4
2013	16.9
2014	19.1
2015	17.7
2016	20.2
2017	19.5
2018	18.3
2019	18.9
2020	18.2
2021	20
2022	20