Year	% of total electricity output
1990	0
1991	0
1992	0
1993	0
1994	0
1995	0
1996	0
1997	0
1998	0
1999	0
2000	0
2001	0
2002	0
2003	0
2004	0
2005	0
2006	0.00258953310718078
2007	0.00256726227151366
2008	0.00263199452545139
2009	0.00258184446968915
2010	0.242269518326517
2011	0.204561726500972
2012	0.234270414993307
2013	0.242606874712702
2014	0.265604249667995
2015	0.278727320536419