Year	% of total final energy consumption
1990	22.6
1991	22.7
1992	22.4
1993	22.3
1994	22.2
1995	22.4
1996	22.1
1997	21.8
1998	22
1999	22.2
2000	20.3
2001	19.8
2002	20.1
2003	19.7
2004	20.4
2005	21.6
2006	21.5
2007	21.6
2008	21.6
2009	22.2
2010	21.4
2011	21.5
2012	21.8
2013	22.2
2014	22.2
2015	22.3
2016	22.1
2017	22.8
2018	22.3
2019	22.4
2020	23.9
2021	23.8