Year	% of GDP
1960	25.844346549192366
1961	28.929068150208625
1962	28.144458281444585
1963	27.78969957081545
1964	29.4234592445328
1965	31.66202414113278
1966	30.260047281323878
1967	32.10227272727273
1968	34.03174603174603
1969	34.417808219178085
1970	36.28498727735369
1971	37.03092783505155
1972	38.87928052576963
1973	39.31318681318681
1974	38.52359822509076
1975	38.985417313062364
1976	40.35471331389699
1977	42.21338634857521
1978	42.657563689234465
1979	44.11288290558295
1980	49.00967384238902
1981	47.697759777243384
1982	48.40262290082156
1983	50.37466380934574
1984	50.92080319678504
1985	51.13846504537619
1986	46.55584551863475
1987	47.23916281572069
1988	46.635042116626494
1989	47.42422596128256
1990	48.05434383842475
1991	49.68797059720188
1992	50.11363968947327
1993	50.66237791625886
1994	48.943226075928344
1995	48.626351651766505
1996	49.42297682019729
1997	51.38815238369394
1998	48.61592778128717
1999	52.5172482705466
2000	52.75892661332414
2001	54.971803415555684
2002	53.574914859573056
2003	53.14241545686901
2004	53.08132897997161
2005	53.0447371507026
2006	53.43365389989464
2007	54.88113943250248
2008	55.54316446266836
2009	57.1616793401796
2010	54.54431704870859
2011	53.0461819382094
2012	54.00469922788792
2013	53.338062068389156
2014	53.827919942766314
2015	53.475597861378596
2016	53.98635119229578
2017	53.536467603305404
2018	54.42259170161593
2019	56.31103489500464
2020	54.20113466630537
2021	52.754860399644876
2022	51.73761541872194
2023	54.04781494011202