Year % of total final energy consumption 1990 19.514234028719407 1991 19.683666565190254 1992 20.39698417969281 1993 20.563104153508803 1994 21.2897873540676 1995 20.948309607723832 1996 21.670404022024385 1997 21.701278990566106 1998 21.69060033939566 1999 22.051009321095886 2000 21.639674057950497 2001 20.85551128011898 2002 20.652796503062014 2003 19.48513595250763 2004 18.03047550999577 2005 16.841645889812597 2006 16.252865885483512 2007 15.56570451112472 2008 15.103300802170626 2009 15.0753928441819 2010 14.215318875871159 2011 13.53082288013707 2012 13.582850422227954 2013 13.643816340140283 2014 13.81344427546483 2015 13.767259438093019 2016 14.107391769540783 2017 14.41002876793322 2018 14.755340484294555 2019 15.229623169313529 2020 15.76804009301354