Year % of total final energy consumption 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 2006 0 2007 0 2008 0 2009 0 2010 0 2011 0.1 2012 0.1 2013 0.1 2014 0.1 2015 0.4 2016 0.4 2017 0.4 2018 0.7 2019 0.7 2020 0.9 2021 0.9 2022 0.9