Year	% of GDP
1965	46.967424342736386
1966	47.48923425619252
1967	48.76248682250824
1968	48.99614951248456
1969	49.84272133687864
1970	49.9999974230043
1971	49.765150684037486
1972	49.17891393811212
1973	50.58990026533572
1974	52.59002422914549
1975	52.63759775256979
1976	53.42959810981532
1977	47.961631971947625
1978	52.68960283112607
1979	48.53466979698154
1980	39.552544497345046
1981	37.658091375504355
1982	36.97583531641234
1983	39.08326584489452
1984	35.82629161463847
1985	40.54842209703664
1986	42.60175857780904
1987	43.619164867904566
1988	44.81562146322652
1989	43.21254850971529
1990	44.88785360004304
1991	44.69792220041175
1992	45.773479151734925
1993	47.418994606731566
1994	44.831615628489686
1995	45.91205441404055
1996	45.10764732435496
1997	45.311261271167155
1998	45.569272787660644
1999	45.678878494696185
2000	45.029452682435085
2001	46.435633703091455
2002	45.95072431807474
2003	45.90001699497493
2004	48.11040194300887
2005	48.1626860371302
2006	47.929620733058414
2007	49.101554399633685
2008	49.599499923180815
2009	50.62330927220913
2010	50.632727932319156
2011	51.77038188219193
2012	50.76169206688383
2013	50.31741530364279
2014	50.42782014576507
2015	49.56032168900222
2016	50.46646052417124
2017	50.36268779938232
2018	50.44644881855329
2019	51.02687347630507
2020	51.76192077323027
2021	50.921320026446196
2022	49.95817754064691
2023	51.60077719214124
