Year % of total electricity output 1990 0 1991 0 1992 0 1993 0 1994 0 1995 27.027027027027 1996 40.1315789473684 1997 41.3173652694611 1998 41.5094339622642 1999 45.5089820359281 2000 70.0729927007299 2001 69.0647482014388 2002 67.1428571428571 2003 40.9638554216867 2004 43.0781478757784 2005 44.1418027487405 2006 84.7717773737278 2007 82.2754469021063 2008 94.7475859538063 2009 79.2914214469014 2010 63.3809520940405 2011 62.941598469924 2012 49.1940058214813 2013 55.8130131931025 2014 50.7054753739704 2015 45.2399304748245