Year	% of total final energy consumption
1990	64
1991	61.8
1992	60.6
1993	59.2
1994	60
1995	58.6
1996	58.2
1997	59.1
1998	58
1999	57.9
2000	59.7
2001	52.4
2002	49.6
2003	52.4
2004	48.8
2005	48.9
2006	46
2007	43.2
2008	45
2009	43.2
2010	41.9
2011	40.6
2012	40.2
2013	42.6
2014	41.4
2015	37.1
2016	36.8
2017	35.8
2018	36.6
2019	34.2
2020	35.6
2021	36
2022	35.9