Year % of total final energy consumption 1990 6.908162683835631 1991 7.195620634745455 1992 7.476108331485258 1993 7.906890349051555 1994 8.015171866217743 1995 8.033800620387208 1996 8.094292773806874 1997 8.488385060698675 1998 8.613048014336327 1999 8.623945859337649 2000 8.981768466458119 2001 8.96648107340237 2002 8.864575755508216 2003 9.277165501062756 2004 9.578069425220368 2005 10.027561719069157 2006 10.685367700046033 2007 11.759281986771889 2008 12.489770926182995 2009 13.65274132162917 2010 14.481986866856248 2011 14.647628787277156 2012 16.063888484170672 2013 16.81082485936685 2014 17.450235566815806 2015 17.601386444765147 2016 17.543029074538616 2017 17.694854592667216 2018 18.730411738502657 2019 19.346283515622584 2020 21.12110631095702