Year % of total final energy consumption 1990 17.5 1991 16.9 1992 15.7 1993 14.2 1994 13.8 1995 14.4 1996 15.2 1997 14.3 1998 10.6 1999 11.3 2000 11.9 2001 10.8 2002 9.8 2003 8.6 2004 8.7 2005 8.7 2006 8.8 2007 8.6 2008 7.6 2009 8.5 2010 8.2 2011 4.1 2012 3.8 2013 3.1 2014 3 2015 3 2016 2.8 2017 4.3 2018 4.9 2019 3.4 2020 4.7 2021 5.5 2022 5.5