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 0.1 2007 0.1 2008 0.1 2009 0 2010 0 2011 0 2012 0.1 2013 0.1 2014 0 2015 0.1 2016 0.2 2017 0.6 2018 0.7 2019 0.6 2020 1.3 2021 1.6 2022 1.9