Year % of GDP 1994 56.54402803935985 1995 56.54398925588855 1996 33.26198153783944 1997 47.50000059375001 1998 46.499967432106104 1999 52.36616492686649 2000 31.972358265241464 2001 32.87090402004475 2002 26.58377932049918 2003 26.05383880660671 2004 23.87935949082438 2005 21.57938224694073 2006 21.210060648818708 2007 21.602205301421428 2008 22.618679765418978 2009 23.67466669510487 2010 21.42849112188876 2011 20.917076012673736 2012 20.441060705228846 2013 19.316667627270117 2014 18.562517313518082 2015 18.370388504644378 2016 18.59975364009568 2017 19.702697497070375 2018 18.88734318600656 2019 19.434988707006838 2020 20.883418884375317 2021 19.04363012934513 2022 17.73548482822517 2023 17.389298606068074