Year	% of GDP
1989	50.68726003830458
1990	56.852425474299515
1991	57.490299770968825
1992	60.76249488194809
1993	60.76750282814408
1994	57.0230441137774
1995	57.309611686373906
1996	58.05269191209008
1997	57.88324356492814
1998	58.594070472240986
1999	58.293064953841956
2000	57.651336627099525
2001	58.142774174064925
2002	57.1065719101229
2003	56.87710707390781
2004	55.12960086172991
2005	55.20701706655979
2006	54.87806361069273
2007	55.323507545464025
2008	54.964085251725805
2009	57.18881513400633
2010	55.644799379285224
2011	55.64569161791761
2012	56.654977127491534
2013	57.55123392033854
2014	58.31057302250724
2015	67.70975580819723
2016	68.26652541598214
2017	68.32205951676823
2018	67.81887859470608
2019	68.12143947612633
2020	67.36948921405582
2021	64.16644639309385
2022	64.30357443132468
2023	65.32622676073223