Year % of total final energy consumption 1990 44.8 1991 43.7 1992 43.3 1993 42.7 1994 42.2 1995 41 1996 37.5 1997 37.7 1998 36.9 1999 33.3 2000 38.7 2001 41.6 2002 43.2 2003 43.8 2004 39.3 2005 41.3 2006 37.6 2007 43.2 2008 44.1 2009 44.6 2010 53.3 2011 49.7 2012 47.9 2013 51.9 2014 56.7 2015 59.4 2016 60.3 2017 60.8 2018 60.8 2019 59.3 2020 61.2 2021 57.8