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 0.873362445414847 2006 0.917431192660551 2007 0.892857142857143 2008 1.31578947368421 2009 1.16731517509728 2010 1.02389078498294 2011 0 2012 0 2013 0.90293453724605 2014 0.90293453724605 2015 0.753295668549906