Year	% of GDP
1970	77.385202469036
1971	79.39343807770499
1972	75.23778869866379
1973	75.38091089177578
1974	84.24293092724962
1975	89.42034684330433
1976	86.19260835349135
1977	83.49281238661504
1978	79.53129901320486
1979	78.99484726525746
1980	79.70536850484785
1981	82.3485712166946
1982	82.08888670728743
1983	82.20089232241195
1984	83.33583050566354
1985	81.06700049575355
1986	78.12921796865588
1987	77.19119968248701
1988	77.5477993775466
1989	77.49288514958836
1990	78.93652605791898
1991	81.62133475393775
1992	82.61216149020298
1993	84.99889157632387
1994	84.07119897889801
1995	82.18163077718984
1996	82.70452376367453
1997	81.47231785961941
1998	80.85088229157587
1999	81.32255960652593
2000	82.26711800218426
2001	82.0598111689317
2002	82.25720545445913
2003	83.2898583341997
2004	84.0461667154072
2005	85.41755554039622
2006	84.90657090591992
2007	84.45786219974161
2008	85.9740916027429
2009	86.0627006122579
2010	86.51867658789008
2011	85.59207797879944
2012	84.79286165876417
2013	84.26930548974042
2014	84.53375374698018
2015	83.40534150868719
2016	83.02005786257138
2017	81.7638827314765
2018	81.2468512427404
2019	81.055311958104
2020	83.02729470448463
2021	82.19501937599085
2022	81.75596466810522
2023	79.57834653537734