Year	% of total electricity output
1990	0
1991	0
1992	0.00845237089003465
1993	0.0109685203466052
1994	0.0327797202797203
1995	0.0920280685609111
1996	0.0768977260243876
1997	0.119331742243437
1998	0.187771388334702
1999	0.19351717464925
2000	0.211441325032304
2001	0.212189084050454
2002	0.351823619092295
2003	0.482330938084457
2004	0.582298136645963
2005	1.08770210681039
2006	1.33579942457871
2007	1.18949958982773
2008	1.86182780455534
2009	6.16243307893838
2010	8.05307004011108
2011	9.1444970138835
2012	12.3422745884516
2013	9.19020715630885
2014	11.1602121163426
2015	14.4187386003648