Year	% of GDP
1990	38.25631069819175
1991	39.4073208977118
1992	41.869270963093406
1993	44.71350064834714
1994	49.04116336829464
1995	52.757797978228815
1996	51.679778549989585
1997	51.31552616610384
1998	50.94553768447536
1999	51.38404915927787
2000	54.930974841209476
2001	53.52622876044044
2002	53.70934474661212
2003	53.627133388680335
2004	56.10656078109233
2005	58.43520508498696
2006	57.91359550244744
2007	60.194860744517364
2008	61.809755962173895
2009	55.497265158480126
2010	58.7367345882904
2011	61.836716828183214
2012	62.13439450128296
2013	59.72678751141481
2014	58.084366048462876
2015	54.269028297971765
2016	50.80235703646661
2017	52.2984732966356
2018	54.07756162274894
2019	53.2204605050034
2020	48.13933206092836
2021	52.45357221052687
2022	55.46288586420619
2023	50.179405472831036