Year	% of total final energy consumption
1990	4.045884048087816
1991	4.171926826940123
1992	4.4677842733204916
1993	5.080441374177435
1994	5.249915267033192
1995	5.376279992684711
1996	5.665126637918864
1997	5.876478451463329
1998	5.968630764006791
1999	6.078570579060577
2000	5.781220359411183
2001	5.717771563273751
2002	5.749857840248277
2003	5.63636860981498
2004	5.907860826339532
2005	6.004182210036513
2006	5.805968922497687
2007	5.739371076638919
2008	5.655681903277088
2009	6.310160303621429
2010	6.4705393700418075
2011	6.070927790066968
2012	6.311027418971392
2013	6.84289164403339
2014	6.527837966462305
2015	6.915378204986882
2016	7.023889102587586
2017	6.783363265999479
2018	7.248937468153365
2019	7.604880143855826
2020	8.046841366128817