Year	% of total electricity output
1990	1.74694285001248
1991	1.78780593058381
1992	1.77462289263531
1993	0.797292646552713
1994	0.254340373769767
1995	0.533418680322185
1996	0.737062205959226
1997	0.464883779055236
1998	0.515570220664054
1999	0.724867485162869
2000	0.733473915833868
2001	0.941619585687382
2002	0.949257852951329
2003	1.08618456782387
2004	0.571783716594158
2005	0.552840317282269
2006	0.569206718242675
2007	0.665692482545868
2008	0.674828048622226
2009	0.733664665763033
2010	0.573634108250033
2011	0.673052147102988
2012	0.69864742213269
2013	1.39324420971557
2014	1.62786988299978
2015	1.83744647870018