Year % of total final energy consumption 1990 95.1 1991 94.2 1992 94.2 1993 93.6 1994 92.4 1995 91.7 1996 91.5 1997 90.7 1998 90.5 1999 88 2000 88.3 2001 87.8 2002 90 2003 89.4 2004 90.3 2005 89.5 2006 91.2 2007 91.3 2008 90.5 2009 88.9 2010 87.3 2011 87 2012 84.7 2013 86 2014 84 2015 85.2 2016 79.4 2017 76.8 2018 75 2019 78.2 2020 73.1 2021 73.7