Year % of total final energy consumption 1990 4.124300644521567 1991 3.976709338338808 1992 3.832265445826673 1993 3.8681299111278866 1994 3.5746595639483885 1995 3.4778083311485015 1996 3.5269899295216147 1997 3.4315618652491464 1998 3.4055792350500576 1999 3.220594360028482 2000 3.007843026175179 2001 3.0395510159226338 2002 3.0071430771235326 2003 3.151313860145701 2004 3.453382945231504 2005 3.610755710552724 2006 3.4166340928681183 2007 3.2136813336257952 2008 2.7421394624142614 2009 2.6988414531213074 2010 2.7012045328865377 2011 2.6519851686999463 2012 2.59323546877598 2013 2.634698279194174 2014 2.5045373615429645 2015 2.5168492144491865 2016 2.584371497861059 2017 2.4980809541284406 2018 2.5489851080252377 2019 2.7597229019669394 2020 2.9274947193667686