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 2.0979020979021 2003 1.59833217512161 2004 1.743264659271 2005 0.598251265531523 2006 0.884955752212389 2007 0.454447089374594 2008 0.635930047694754 2009 0.638257931293411 2010 0.602530628640289 2011 0.621740874448456 2012 1.48698884758364 2013 0.793650793650794 2014 0.793650793650794 2015 0.833002776675922