Year	% of total final energy consumption
1990	65.4
1991	64.6
1992	67.6
1993	68.4
1994	76.5
1995	69.8
1996	75.4
1997	80.2
1998	79.7
1999	77
2000	64.9
2001	61.2
2002	68.6
2003	62.1
2004	63.1
2005	63.1
2006	69.3
2007	60.2
2008	56.8
2009	55.9
2010	54.5
2011	64.3
2012	65.1
2013	62.3
2014	62.1
2015	64.2
2016	67.7
2017	69.8
2018	70.6
2019	69.8
2020	71.4
2021	71.4