Year	% of total final energy consumption
1990	4.1341853538099125
1991	4.786193355342062
1992	5.377440568205556
1993	7.206592975148462
1994	7.5296100596243525
1995	7.848959656676756
1996	8.350131580721268
1997	8.996463340683572
1998	9.46685823141914
1999	9.732535982716124
2000	9.941113637071409
2001	9.883865734774632
2002	10.154767280438133
2003	10.273248908425773
2004	10.79038963872244
2005	11.291413093065694
2006	11.084698528691222
2007	11.377313173787888
2008	12.183658363088597
2009	13.765157989987886
2010	14.561170340905909
2011	14.763263932462495
2012	15.697287733133779
2013	16.667885536082927
2014	17.080061886951167
2015	17.145034373347436
2016	16.87223033882499
2017	16.467021115833504
2018	18.137202923360547
2019	18.87826812686824
2020	19.685653237312316