Year	% of total final energy consumption
1990	17.6
1991	18.7
1992	21.6
1993	25.4
1994	28.3
1995	32.4
1996	32
1997	32.9
1998	35.4
1999	36.3
2000	35.8
2001	35.4
2002	34.4
2003	34.3
2004	36.1
2005	36.3
2006	34
2007	33.1
2008	33.7
2009	38.4
2010	33.1
2011	35.5
2012	40.4
2013	39.6
2014	40.2
2015	38.1
2016	38.5
2017	42.6
2018	41
2019	41.5
2020	43.8
2021	44