Year	% of total electricity output
1990	1.6025641025641
1991	2
1992	2.14592274678112
1993	2.08333333333333
1994	0.881834215167548
1995	0.87260034904014
1996	0.726849832824539
1997	0.631313131313131
1998	0.585480093676815
1999	0
2000	0
2001	0
2002	0
2003	0
2004	0
2005	0
2006	0
2007	0
2008	0
2009	0
2010	0
2011	0
2012	0
2013	0
2014	0
2015	0