Year	% of total final energy consumption
1990	28
1991	27.6
1992	25.6
1993	27.3
1994	28.2
1995	28.7
1996	27.6
1997	25.9
1998	27.3
1999	26.4
2000	26.4
2001	24.6
2002	26.6
2003	25.9
2004	28.2
2005	26.8
2006	27
2007	27
2008	26.1
2009	28.5
2010	29.4
2011	30.3
2012	28.8
2013	28.3
2014	29
2015	29.3
2016	30.1
2017	28.4
2018	28.9
2019	28
2020	28.7
2021	28.9