Year % of total final energy consumption 1990 38 1991 32.4 1992 36.3 1993 35.6 1994 34.1 1995 34.9 1996 42.7 1997 36.7 1998 35.3 1999 35.9 2000 34.5 2001 23.9 2002 25.7 2003 24.4 2004 26.3 2005 25.6 2006 32.7 2007 28 2008 29.8 2009 25.1 2010 29.4 2011 42.2 2012 47.9 2013 38 2014 37.4 2015 30.3 2016 33.3 2017 37.2 2018 35.5 2019 30.4 2020 31.4 2021 26.6 2022 30.8