Year % of GDP 1994 50.346265826480774 1995 48.715806015581165 1996 47.22945768589093 1997 48.51079942242168 1998 48.79069942039938 1999 50.15218673880572 2000 49.73587755889379 2001 50.30443711484824 2002 50.44579043823547 2003 52.06373651829633 2004 50.48385083602016 2005 49.85762407957468 2006 53.75889866877598 2007 53.32637220611751 2008 52.895469070849686 2009 54.19897980342554 2010 51.735346320809185 2011 48.451971421010846 2012 48.044904493271986 2013 48.36499968695793 2014 48.55075988236172 2015 48.573943003735906 2016 49.465105637691906 2017 50.27734865308487 2018 51.01146505494077 2019 50.467411926374304 2020 49.033434287538086 2021 46.45489797190132 2022 46.36126904059619 2023 46.31101493263231