Year	% of total final energy consumption
2002	48.2
2003	47.9
2004	44
2005	43.6
2006	41.9
2007	41.9
2008	39.7
2009	36.9
2010	34.8
2011	32.8
2012	25.6
2013	22.6
2014	18.1
2015	18
2016	12.7
2017	13.2
2018	12.7
2019	11.7
2020	11.4
2021	12.1
2022	11.4