Year	% of GDP
1980	60.01230462756856
1981	62.362475452665734
1982	59.72876932992883
1983	58.267302296071676
1984	58.49688951884448
1985	57.101819413986455
1986	53.919123897152176
1987	55.314013091794365
1988	55.87261519832802
1989	60.051311837525624
1990	61.68168443385278
1991	61.789336599608525
1992	62.555634110742616
1993	59.43179254746877
1994	59.60991781597541
1995	66.3738020849502
1996	68.2313558104811
1997	65.58253801130039
1998	64.41278221676879
1999	61.96427827044151
2000	61.62454019517094
2001	59.84248555576723
2002	58.98556753966555
2003	58.03829321999766
2004	59.98169497428323
2005	61.392979046155226
2006	62.817473790520765
2007	62.23991680758058
2008	66.36645670119512
2009	59.01585282295976
2010	61.59458918777704
2011	68.66559649552781
2012	70.88029455831536
2013	71.28054464143915
2014	68.1080855993193
2015	65.03071515556486
2016	63.823982276269994
2017	65.3781487243643
2018	67.39387435135242
2019	66.45710575648678
2020	67.89867189505634
2021	72.63001855371076
2022	75.08997489363573
2023	73.07124919100941