Year % of total final energy consumption 1995 82.5 1996 82.5 1997 82.2 1998 81.3 1999 81.5 2000 81.6 2001 80.5 2002 81 2003 79.9 2004 80.7 2005 79.2 2006 78 2007 74.8 2008 74.1 2009 68 2010 64.8 2011 64 2012 64.4 2013 65 2014 63.7 2015 60.6 2016 58 2017 56.3 2018 58.1 2019 53 2020 51.4 2021 52.4