Year	% of total final energy consumption
1990	12.8
1991	14.1
1992	18.5
1993	26
1994	22.7
1995	46.4
1996	42.8
1997	44.4
1998	47.5
1999	49.7
2000	47.2
2001	53.1
2002	56.8
2003	55.3
2004	54.5
2005	41.5
2006	37.2
2007	36.2
2008	36.3
2009	36.7
2010	39.1
2011	31.5
2012	28.7
2013	32.4
2014	30.7
2015	27.5
2016	27.2
2017	27.5
2018	27.4
2019	24.7
2020	23.4
2021	25.2