Year % of total final energy consumption 1990 2.9164994079144275 1991 2.820572544477847 1992 2.7358012721687395 1993 2.725108944826512 1994 2.524311196033877 1995 2.4843667481170875 1996 2.493363734061402 1997 2.4583293778606543 1998 2.4163654811199167 1999 2.309992641712729 2000 2.196361762867616 2001 2.215252039942025 2002 2.1793468463262995 2003 2.26641749058557 2004 2.491502261285093 2005 2.604333129427551 2006 2.452464954926644 2007 2.2863379549789284 2008 1.9893039712774412 2009 1.9323881108015148 2010 1.8966743328422973 2011 1.8408441007538008 2012 1.6231279059937442 2013 1.6496896044444038 2014 1.5598396819232874 2015 1.5274302052824211 2016 1.5945091209329927 2017 1.5871538369005782 2018 1.6639190518993112 2019 1.8233450491515184 2020 1.9956503775844319