Year % of total final energy consumption 1990 86.3 1991 86.1 1992 86.4 1993 86.3 1994 86.2 1995 86.4 1996 85.8 1997 85.2 1998 84.1 1999 83.1 2000 83.9 2001 81.7 2002 81.8 2003 80.8 2004 82 2005 85.4 2006 84.8 2007 82.9 2008 83.5 2009 83.3 2010 82.1 2011 81.4 2012 79.2 2013 78.7 2014 78.9 2015 78.8 2016 77.1 2017 74.6 2018 73.7 2019 72.7 2020 73.1 2021 71.2 2022 71.4