Year	% of GDP
1960	33.65029238816263
1961	32.79005772562515
1962	31.213584247991687
1963	31.814383094800863
1964	34.06599927393525
1965	34.04009765104685
1966	31.987445490510023
1967	32.456813512899934
1968	31.93295104337888
1969	31.72920796452376
1970	30.400756153703192
1971	34.014124039871575
1972	31.571802314959935
1973	33.575388800815404
1974	41.06108253357825
1975	40.146837175529356
1976	39.99104021823905
1977	43.07208512853717
1978	42.61055215799611
1979	43.519917393403865
1980	49.980153574484156
1981	33.68964575234151
1982	30.382559216989872
1983	30.482613542220538
1984	32.65555178572547
1985	32.428356778825815
1986	32.748655926490194
1987	33.07306470046893
1988	33.63072898960733
1989	35.36303536972508
1990	32.88284105876802
1991	30.379294380268103
1992	34.2999527627079
1993	33.98355188897722
1994	34.59007276225799
1995	32.7057573007196
1996	31.42185628528599
1997	31.231170623768477
1998	27.97576058736853
1999	40.06375279265376
2000	41.884253714110656
2001	43.60667785182594
2002	41.11249714396453
2003	41.07332979914427
2004	43.58049506371208
2005	45.67505641728345
2006	46.0641601986943
2007	47.943143595334504
2008	53.19935098214172
2009	43.64019426855797
2010	46.37991963710787
2011	52.10449579052352
2012	50.723198104714854
2013	47.69548547245047
2014	46.11113845326402
2015	40.84943138016879
2016	39.17529937842153
2017	40.00032404596349
2018	41.87250494665888
2019	39.55559104486599
2020	35.66313077350437
2021	41.193930187993764
2022	44.80930605103026
2023	42.22804021318655