Year,Renewable electricity output (% of total electricity output) 1990,11.43 1991,10.13 1992,8.95 1993,6.6 1994,8.66 1995,3.44 1996,6.44 1997,6.06 1998,6.71 1999,5.76 2000,8.81 2001,7.43 2002,6.57 2003,5.72 2004,4.33 2005,3.77 2006,3.23 2007,2.45 2008,2.17 2009,1.71 2010,2.2 2011,2.26 2012,2.15 2013,1.85 2014,1.51 2015,1.83 2016,1.83 2017,1.85 2018,1.59 2019,1.42 2020,1.47 2021,1.51