Year	% of GDP
1960	10.6771353385422
1961	13.7466859857175
1962	14.7049351152394
1963	16.4969806927288
1964	18.0448420720031
1965	17.0841288381863
1966	17.4429161057059
1967	19.3580455544327
1968	19.0508878837516
1969	18.1958100663129
1970	18.0479492182128
1971	17.6736582748829
1972	19.2407471384225
1973	20.2716425166703
1974	22.0276954102731
1975	22.0566490382948
1976	22.4438200819282
1977	23.4054176316522
1978	25.9440546064804
1979	27.4927929006916
1980	27.6887695812199
1981	28.9117343384665
1982	29.4082774347126
1983	32.4666828538991
1984	21.5111780515275
1985	17.6828390354673
1986	13.0561712083004
1987	14.0332404092421
1988	14.1551699210641
1989	15.2344860169194
1990	16.9025484779469
1991	15.6454917166525
1992	18.1039652944438
1993	23.1490828035757
1994	25.4845333915397
1995	32.8652175359862
1996	42.8727859095023
1997	49.4011069654297
1998	41.9926044672978
1999	37.3279299100996
2000	35.607139656187
2001	36.2651173043754
2002	33.6639599838555
2003	31.9483733559218
2004	31.0092116533596
2005	27.8965736381251
2006	27.4706949162292
2007	27.6390233179633
2008	27.8760610609157
2009	27.8966684153138
2010	28.3324788107778
2011	30.4976397500537
2012	31.9053759829807
2013	34.3357279078663
2014	37.5782838041087
2015	39.9037835745701
2016	42.8645179933865
2017	45.6051977883867
2018	47.5627907974214
2019	47.9736686635763
2020	52.0356914003601
2021	49.941324910651
2022	48.8730299164323
2023	48.3010120131272